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    Wyświetlanie 1-14 z 14
    Tytuł:
    Pollution discharge Scenario of Dyeing Industries along Dombivali Industrial Belt of Mumbai, India
    Autorzy:
    Singare, S. S.
    Dhabarde, S. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/412448.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    industrial effluents
    physicochemical properties
    heavy metals
    dyeing industries
    Dombivali industrial belt
    Mumbai
    Opis:
    The paper deals with monitoring of pollution arising due to dyeing industries located along the Dombivali industrial belt of Mumbai, India. The study was carried for the period of one year from June, 2012 to May, 2013 to study the level of toxic heavy metals and the physico-chemical properties of waste water effluents discharged from the above industries. The concentrations of Cu, Ni, Cr, Pb, Fe and Zn were found to be maximum of 44.78, 2.50, 1.75, 1.45, 64.22 and 13.22 ppm respectively in the industrial waste water effluent.It was observed that the pH value was maximum of 12.30 in the month of June while the conductivity was found to be maximum of 48000 μmhos/cm in the month of February. The majority of physco-chemical parameters like alkalinity, salinity and total solid content (TS) were observed to be maximum in the month of February having values of 3578, 44.08 and 40450 ppm respectively. The high cyanide (0.18 ppm) and phosphate (112.90 ppm) levels were reported in the effluents released during the month of March. The industrial effluent released in the month of June was reported to have high hardness, chloride and COD content having the values of 743, 2381, 8957 ppm respectively; while the DO content was found to be very low of 2.77 ppm. The BOD content in the effluents was found to be maximum of 603 ppm in the month of October. The results of present study indicates that the existing situation if mishandled can cause irreparable ecological harm in the long term well masked by short term economic prosperity due to extensive industrial growth.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 3; 48-55
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pollution due to Textile Industries along Dombivali Industrial Belt of Mumbai, India
    Autorzy:
    Singare, P. U.
    Dhabarde, S. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/411756.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    industrial effluents
    industrial pollution
    physicochemical properties
    toxic heavy metals
    textile industries
    Dombivali industrial belt
    Mumbai
    Opis:
    The paper deals with monitoring of pollution arising due to textile based industries located along the Dombivali industrial belt of Mumbai, India. The study was carried for the period of one year from June, 2012 to May, 2013 to study the level of toxic heavy metals and the physico-chemical properties of waste water effluents discharged from the above industries. The concentration level of majority of toxic heavy metals like Cu, Ni, Pb, and Zn were reported to be maximum of 45.58, 2.00, 2.06 and 9.20 ppm respectively in the month of April, while Cr and Fe concentration levels were found to be 2.50 and 55.30 ppm in the month of March. The effluent samples collected in the month of July was reported to show high BOD content of 564 ppm, while COD content was maximum of 2436 ppm in the month of October. The effluent samples collected in the month of January was having very low DO content of 3.21 ppm and high cyanide content of 0.09 ppm. The alkalinity, hardness and chloride content were maximum of 2158, 198 and 2765 ppm respectively in the effluent samples collected in the month of February. The effluents were having high total solid content of 8269 ppm during the month of April, while the salinity and phosphate contents were reported high of 5.64 and 125.70 ppm during the month of May. It was observed that the concentration level of majority of toxic heavy metals and the values of various physico-chemical parameters were above the tolerable limit set for inland surface water. The present experimental data on environmental risk assessment studies due to textile industries may be regarded as an aid towards a better understanding of the problem arising due to such industries. There is a need to convey the message that prevention of adverse health effects and promotion of health are profitable investments for employers and employees as a support to a sustainable development of economics.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 3; 24-31
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pollution Scenario due to discharge of effluent from Agrochemicals and Pesticides Manufacturing Industries of Dombivali Industrial Belt of Mumbai, India
    Autorzy:
    Singare, P. U.
    Dhabarde, S. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/412480.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    industrial effluents
    physicochemical properties
    heavy metals
    agrochemicals
    pesticides
    Dombivali industrial belt
    Mumbai
    Opis:
    The paper deals with monitoring of pollution arising due to agrochemicals and pesticides manufacturing industries located along the Dombivali industrial belt of Mumbai, India. The study was carried for the period of one year from June, 2012 to May, 2013 to study the level of toxic heavy metals and the physico-chemical properties of waste water effluents discharged from the above industries. The average concentration of Cu, Ni, Cr, Pb and Zn was found to be maximum of 29.86, 0.90, 1.16 and 1.19 ppm respectively in summer season, while average Fe concentration was maximum of 51.10 ppm in winter season. The average pH value of the effluent was found to be maximum of 12.95 in summer season, while average conductivity value was maximum of 21085 μmhos/cm in rainy season. The majority of physco-chemical parameters like alkalinity, hardness, salinity, chloride, cyanide, phosphate, total solid, BOD and COD content were found to be maximum in summer season having the average values of 1918, 186, 4, 11.20, 0.07, 81, 6391, 685 and 2556 ppm respectively. The average DO content was found to be low of 4.5 ppm in winter season. It was observed that the concentration level of majority of the toxic heavy metals and physico-chemical properties were above the tolerable limit set for inland surface water. The results of present study indicates that the existing situation if mishandled can cause irreparable ecological harm in the long term well masked by short term economic prosperity due to extensive industrial growth.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 3; 8-15
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Studies on Pollution due to discharge of effluent from Pharmaceutical Industries of Dombivali Industrial Belt of Mumbai, India
    Autorzy:
    Singare, P. U.
    Dhabarde, S. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/412599.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    industrial pollution
    waste water effluent
    physicochemical analysis
    toxic heavy metals
    pharmaceutical industries
    Dombivali industrial belt
    Mumbai
    Opis:
    The paper deals with monitoring of pollution arising due to pharmaceutical based industries located along the Dombivali industrial belt of Mumbai, India. The study was carried for the period of one year from June, 2012 to May, 2013 to study the level of toxic heavy metals and the physico-chemical properties of waste water effluents discharged from the above industries. The concentration level of majority of toxic heavy metals like Cu, Cr, Pb, Fe and Zn were found to be maximum of 14.06, 0.57, 0.42, 18.93 and 3.31 ppm respectively in the month of February, while Ni concentration was found to be maximum of 0.43 ppm in the month of June. The pH and BOD values were reported to be maximum of 12.54 and 546 ppm respectively in the month of October. The conductivity and total solid content was found to be maximum of 27400 μmhos/cm and 9401 ppm respectively in the month of June. The cyanide content was maximum of 0.13 ppm in the month of April. The alkalinity, hardness, salinity, chloride, phosphate and COD content was reported maximum of 852, 694, 10.36, 4821, 46.32 and 1271 ppm respectively in the month of February. The DO content was found to be minimum of 3.00 ppm in the month of February. It was observed that the level of many of these toxic heavy metals except Zn and various physico-chemical parameters were above the tolerable limit set for inland surface water. From the results of the present investigation it seems that the time has come to move towards ecosystem specific discharge standards to maintain the health and productivity of natural resources on which the majority of Indians are dependent.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 3; 16-23
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pollution discharge Scenario of Metallurgical Industries along Dombivali Industrial Belt of Mumbai, India
    Autorzy:
    Singare, P. U.
    Dhabarde, S. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/411724.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    industrial effluents
    physicochemical analysis
    heavy metals
    metallurgical industries
    Dombivali industrial belt
    Mumbai
    Opis:
    The paper deals with monitoring of pollution arising due to metallurgical industries located along the Dombivali industrial belt of Mumbai, India. The study was carried for the period of one year from June, 2012 to May, 2013 to study the level of toxic heavy metals and the physico-chemical properties of waste water effluents discharged from the above industries. The concentration levels of Cu, Ni, Cr, Pb, Fe and Zn were found to be maximum of 41.00, 1.47, 5.97, 2.55, 46.86 and 12.97 ppm respectively during winter and summer seasons starting from December to May. The pH value was found to be maximum of 10.30 in the month of February, while the conductivity was found to be maximum of 25067 μmhos/cm in the month of July. The majority of physco-chemical parameters like salinity, chloride content, and total solids (TS) were observed to be maximum in the month of June having values of 6.32, 2411 and 20738 ppm respectively. The high cyanide (0.09 ppm), phosphate (117.21 ppm), COD (13640 ppm) and low DO content of 5.79 ppm were observed in the effluents released during the month of February. The alkalinity content in the effluent was maximum of 1395 ppm in the month of May. The hardness and BOD values of the effluents were reported maximum of 490 and 557 ppm in the month of October. From the results of the present investigation it seems that the time has come to implement proper effluent water treatment techniques and enforcement of pollution control by the regulatory authority on the indiscriminate discharge of industrial wastewater into water bodies.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 3; 40-47
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pollution discharge Scenario of Oil and Surfactants Manufacturing Industries along Dombivali Industrial Belt of Mumbai, India
    Autorzy:
    Singare, P. U.
    Dhabarde, S. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/412459.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    effluents
    physicochemical analysis
    heavy metals
    oil and surfactant industries
    Dombivali industrial belt
    Mumbai
    Opis:
    The paper deals with monitoring of pollution arising due to oil and surfactants manufacturing industries located along the Dombivali industrial belt of Mumbai, India. The study was carried for the period of one year from June, 2012 to May, 2013 to study the level of toxic heavy metals and the physico-chemical properties of waste water effluents discharged from the above industries. The maximum concentration of majority of heavy metals like Cu, Ni, Cr, Pb and Fe were recorded as 13.48, 3.90, 13.30, 1.75 and 15.89 ppm respectively, which were above the tolerable limit set for inland surface water. The maximum pH and conductivity values of the industrial waste water effluent were recorded as 10.05 and 27800 μmhos/cm respectively. The majority of physico-chemical parameters like chloride, cyanide, phosphate and total solid content were found to be maximum in the month of March having the respective values of 2340, 0.09, 35.2 and 8755 ppm. The effluent samples collected in the month of May was found to have low DO content of 3.33 ppm and high BOD content of 643 ppm. The alkalinity and COD values were reported to be maximum of 1988 and 4410 ppm respectively in the month of February. The hardness and salinity content was reported maximum of 131 and 5.76 ppm during the month of December and June respectively. The results of present research work indicates that time has come to move towards ecosystem specific discharge standards to maintain the health and productivity of natural resources on which the majority of Indians are dependent.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 3; 32-39
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Studies on pollution discharge scenario of effluents released from fine chemicals manufacturing industries along Dombivali industrial belt of Mumbai, India
    Autorzy:
    Singare, P. U.
    Dhabarde, S. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/412517.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    industrial effluents
    physicochemical analysis
    heavy metals
    fine chemicals industries
    Dombivali industrial belt
    Mumbai
    Opis:
    The paper deals with monitoring of pollution arising due to fine chemicals manufacturing industries located along the Dombivali industrial belt of Mumbai, India. The study was carried for the period of one year from June, 2012 to May, 2013 to study the level of toxic heavy metals and the physico-chemical properties of waste water effluents discharged from the above industries. The concentration levels of heavy metals like Cu, Ni, Cr, Pb, Fe and Zn was found to be maximum of 45.94, 1.05, 7.50, 4.76, 145.87 and 21.96 ppm respectively in the effluents released during the months of February to April. The majority of physco-chemical parameters like alkalinity, salinity and chloride content were found to be maximum in the month of October having the concentration values of 1482, 4.91, 2710 ppm respectively, while the DO content in the effluents released in the same month was reported to be very much low having the value of 2.90 ppm. The effluents released during the month of June were reported to have high hardness, total solid (TS) content and COD values of 3713, 13638 and 6951 ppm respectively. The cyanide content (0.08 ppm), phosphate content (131.32 ppm) and BOD content (631 ppm) were found to be maximum in the months of December, February and May respectively. From the results it appears that as India moves towards stricter regulation of industrial effluents to control water pollution, greater efforts are required to reduce the risk to public health as toxic pollutants which are mainly colourless and odourless can be expected to be released into the ecosystems.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 3; 56-63
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Solvent extraction and spectrophotometric determination of Uranium (VI) using 2,2′-[1,2-phenylenebis(nitrilomethylidene)]bisphenol (BSOPD) as an analytical reagent
    Autorzy:
    Sebastian, S.
    Singare, P.U.
    Lokhande, R.S.
    Powiązania:
    https://bibliotekanauki.pl/articles/412353.pdf
    Data publikacji:
    2013
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Uranium (VI)
    solvent extraction-spectrophotometric determination
    monazite sand
    2,2’-[1,2-phenylenebis(nitrilomethylidene)]bisphenol (BSOPD)
    Opis:
    2,2'-[1,2-phenylenebis(nitrilomethylidene)]bisphenol (BSOPD) is synthesized in the laboratory and characterized by NMR, IR and elemental analysis for its purity. This reagent forms a yellow complex with U(VI) which can be quantitatively extracted into chloroform at pH 10. This complex in chloroform shows an intense absorption peak at 413.0 nm. It is observed that Beer’s law is obeyed in the range of 2.0-10.0 ppm of metal solution. It gives a linear and reproducible graph under appropriate conditions, the complex having a molar absorptivity of 3.69 x 104 L mol-1·cm-1. Sandell’s sensitivity calculated was found to be 4.4 x 10-3 μg·cm-2. Nature of the extracted complex, determined by Job’s continuous variation method, Slope ratio method and Mole ratio method shows that the composition of U(VI) : BSOPD complex is 1:4. Interference by various ions is studied and masking agents used where required. The proposed method has been applied for the determination of U (VI) in monazite sand and synthetic samples. The results of the analysis are found to be comparable with those obtained by standard method.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2013, 7, 2; 125-133
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Monitoring the health of sediment ecosystem along the Mahim Creek of Mumbai - a study of physico-chemical properties
    Autorzy:
    Singare, P.U.
    Ferns, S.E.L.
    Powiązania:
    https://bibliotekanauki.pl/articles/11793.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    monitoring
    health
    sediment ecosystem
    conductivity
    Mahim Creek
    Mumbai city
    physicochemical property
    Opis:
    The present study was performed for the period of one year from June 2012 to May 2013 in order to understand the physico-chemical properties of sediments samples collected along the Mahim Creek of Mumbai. The annual average pH value of the creek sediments was recorded as 9.22. It is feared that such conditions may increase the alkalinity of Creek water which according to USEPA will increase the physiological stress of many aquatic species resulting in decreased reproduction, decreased growth, disease, or death thereby reducing the biological diversity of the Creek. The total organic matter in the creek sediments was found to be maximum of 10.30 % with an annual average concentration of 6.29 %. Although organic matter is a primary source of food for benthic organisms and is important in maintaining a viable ecosystem, too much of organic matter deposited in the sediments will be responsible for depletion in dissolved oxygen content of the creek water causing unpleasant odours and may also increase the rate of eutrophication. From the results it appears that as India moves towards stricter regulation of industrial effluents to control water pollution, greater efforts are required to control the discharge of pollutants into the ecosystems.
    Źródło:
    International Letters of Natural Sciences; 2014, 12, 1
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study of Toxic Heavy Metals in Mahim Creek of Mumbai
    Autorzy:
    Singare, P. U.
    Ferns, S. E. L.
    Powiązania:
    https://bibliotekanauki.pl/articles/411860.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    heavy metals
    toxic metals
    creek water
    Mahim Creek
    Bandra ki Khadi
    Mumbai
    Opis:
    The present study was performed for the period of one year from June 2012 to May 2013 in order to understand the level of toxic heavy metals in the water of Mahim Creek near Mumbai. It was observed that the annual average concentration of heavy metals like Pb, Cd, Cr, Fe, Zn, Cu and Ni and Hg was found to be 0.68, 0.28, 0.15, 0.04, 2.93, 0.64, 1.29 and 0.31 ppm respectively. The average concentrations of Hg and Pb were found to be above the maximum permissible limit of 0.01 ppm and 0.1 ppm respectively set for inland surface water by Central Pollution Control Board (CPCB) of India. The results suggest that there is a need to have such regular scientific monitoring for longer time period in order to understand the variation in level of these toxic heavy metals discharged in to the creek water. It is feared that the existing problem if ignored may increase the pollution problem of the creek due to the toxic heavy metals resulting in threat to the biological life of an aquatic ecosystem. From the results of the present investigation it seems that the time has come to move towards ecosystem specific discharge standards to maintain the health and productivity of natural resources on which the majority of human population is dependent.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 17, 1; 98-106
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Selective separation of cerium from lanthanides by extractive photometry using HDBE as novel reagent
    Autorzy:
    Bambardekar, Y.
    Singare, P.U.
    Lokhande, R.S.
    Powiązania:
    https://bibliotekanauki.pl/articles/411631.pdf
    Data publikacji:
    2013
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    lanthanides
    HDBE
    xylene
    extracted complex
    Beer’s law
    molar absorptivity
    Sandell sensitivity
    Opis:
    Striking similarities in properties of lanthanides make their separation a difficult task. Development of highly selective analytical reagent hexane-2,5-dione-bis(ethylenediamine) HDBE that forms brown coloured complex with Ce(IV) which is quantitatively extracted into xylene at pH 6.4. Transfer of extracted complex to organic phase is very fast (<1min.). Optimum concentration of reagent required for complexation and full colour development is very low (0.8 cm3 of 0.1 % HDBE). Absorption maximum exhibited at 518 nm. Beer’s law is obeyed in the detectable range 0.3-4.0 ppm. The molar absorptivity and Sandell’s sensitivity values are 0.421•104 dm3• mol-1•cm-1 and 0.017 μg•cm-2 respectively. The present method is time honoured, permits selective separation of cerium from associated lanthanones using HDBE as a novel complexing agent.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2013, 7, 2; 144-150
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Isolation, characterization and evaluation of anti-proliferative properties of andrographolide isolated from Andrographis paniculata on cultured HaCaT cells
    Autorzy:
    Jindal, S.
    Awasthi, R.
    Singare, D.
    Kulkarni, G.T.
    Powiązania:
    https://bibliotekanauki.pl/articles/2049322.pdf
    Data publikacji:
    2021
    Wydawca:
    Instytut Włókien Naturalnych i Roślin Zielarskich
    Tematy:
    Andrographis paniculata
    andrographolide
    psoriasis
    inflammatory skin disease
    proliferation
    keratinocyte
    epidermis
    andrografolid
    brodziuszka wiechowata
    łuszczyca
    keratynocyty naskórka
    działanie antyproliferacyjne
    Opis:
    Introduction: Psoriasis is an inflammatory skin disease characterized by hyper-proliferation, abnormal epidermal keratinocytes and inflammatory infiltration. It affects approximately 4% of the population globally. Herbal extracts have better results with less toxic effects than the synthetic drugs in the treatment of psoriasis. Objective: Present study was aimed to access the anti-psoriatic effect of andrographolide extracted from Andrographis paniculate (A. paniculata). Method: We extracted, characterized, and screened the extracted andrographolide for anti-proliferative characteristics using cultured cell model of human HaCaT keratinocyte. Results: Andrographolide at 31.25 µg/mL (90 µM) demonstrated significant inhibitory effect on human HaCaT keratinocytes proliferation in cell culture. To our best knowledge, we reported the anti-proliferative potency of andrographolide extracted from A. paniculata for the first time. Conclusion: The results suggest that the andrographolide extracted from A. paniculata plant may have potential to be used in the management of psoriasis.
    Źródło:
    Herba Polonica; 2021, 67, 1; 35-45
    0018-0599
    Pojawia się w:
    Herba Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Heavy metals in sediment ecosystem of Bhavans College Lake of Andheri, Mumbai
    Autorzy:
    Singare, P. U.
    Talpade, M. S.
    Dagli, D. V.
    Bhawe, V. G.
    Powiązania:
    https://bibliotekanauki.pl/articles/412407.pdf
    Data publikacji:
    2013
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    lake sediments
    heavy metal toxicity
    Central Pollution Control Board (CPCB)
    World Health Organisation (WHO)
    AAS technique
    Opis:
    The present study was initiated to understand the accumulation of toxic heavy metals in sediments of Bhavan's College Lake of Andheri, Mumbai. The study was performed for a period of one year starting from June 2011 to May 2012 to quantify the toxic heavy metals like Cu, Pb, Cr, Ni, Fe, Hg, As and Cd by atomic absorption spectroscopy technique coupled with cold vapour technique (for Hg analysis) and hydride generation technique(for As analysis). It was observed that the yearly average concentrations of these heavy metals in lake sediments were 0.53, 0.25, 0.42, 0.43, 4.6, 0.14, 0.12 and 0.11 ppm respectively which were above the WHO limits for aquatic life and CPCB limits for inland surface water. These heavy metals accumulated in lake sediments may enter the water thereby creating threat to aquatic life. They may enter the food chain through biomagnifications and may create adverse effect on human health. It is expected that in addition to the water analysis which is practiced for years, sediment analysis performed in the present investigation will help in evaluating quality of the total ecosystem of the lake. It will also provide environmentally significant information about natural and anthropogenic influence on the water body.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2013, 8, 2; 105-112
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Heavy Metal Content in Water of Bhavans College Lake of Andheri, Mumbai
    Autorzy:
    Singare, P. U.
    Talpade, M. S.
    Dagli, D. V.
    Bhawe, V. G.
    Powiązania:
    https://bibliotekanauki.pl/articles/412414.pdf
    Data publikacji:
    2013
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Toxic Heavy Metals
    lake water
    AAS
    Cold Vapour Technique
    hydride generation
    health hazards
    water pollution
    Bhavan's College
    Andheri
    Mumbai
    Opis:
    The present research work deals with the quantification of toxic heavy metals in the water samples collected from Lake of the Bhavan's College campus of Andheri, Mumbai. The results of the present investigation indicates that yearly average concentration of toxic heavy metals like Pb, Zn, Cr, Fe and Hg was 0.16, 5.56, 2.09, 5.19 and 0.02 ppm respectively which were very much above their permissible limits set for inland surface water, while the yearly average concentration of Ni was found to be 2.76 ppm which was close to the maximum limit of 3.0 ppm. The results of the present investigation points out the need to implement common objectives, compatible policies and programs for improvement in treatment facilities for the treatment of discharged sewage and laboratory effluents.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2013, 8, 2; 94-104
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-14 z 14

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