Browsing by Subject "water analysis"
Now showing items 1-6 of 6
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Determination of copper in natural waters and sediments by extraction spectroscopic method
(CSIR-NISCAIR, 1982)A sensitive extraction spectrophotometric method has been developed based on the formation and extraction of Cu(II)-neocuproine-rosenbengal into chloroform. The molar extinction coefficient of the system is 55.500 and ... -
Effect of mining rejects on the nutrient chemistry of Mandovi Estuary, Goa
(Council of Scientific and Industrial Research, New Delhi, 1999)Nutrient chemistry in Mandovi Estuary, Goa, India during premonsoon in affected by the discharge of mining rejects. Concentrations of nitrate and phosphate, in general, show low levels in this season (nitate 0.3-3.3 mu M, ... -
Indian deepsea environment experiment (index): Achievements and applications
(International Society of Offshore and Polar Engineers, Cupertino, CA (USA), 1999)Significant results have been obtained from an extensive database generated on water column and benthic baseline conditions. Seafloor surveys have resulted in selection of suitable test and reference areas, and in ... -
On the distribution of fluoride, calcium and magnesium in the waters off the central west coast of India
(Indian Association for Limnology and Oceanography, 1982)The distribution of fluoride, calcium and magnesium was studied in the waters off the central west coast of India. The averages F/Cl, Ca/Cl and Mg/Cl ratios observed are (6.83 plus or minus 0.023) x 10@u-5@@, (0.02194 plus ... -
Particulate trace metals in Cochin backwaters: Distribution of seasonal indices
(ICAR, 1998)A seasonal analysis of particulate trace metals, viz. iron, manganese, zinc, copper, cobalt and nickel collected from 4 stations in Cochin backwaters are presented. The spatial trend for cobalt, iron and nickel was stationary ... -
Seasonal variation of major elements (Ca, Mg) and trace metals (Fe, Cu, Zn, Mn) and cultured mussel Perna viridis L. and seawater in the Dona Paula Bay, Goa
(NISCAIR, CSIR, 1998)The major elements and trace metals were analysed from nussel tissue and the seawater taken from three depths (0, 5 and 9 meters) from the culture site. Range of variation in Ca, Mg, Fe, Cu, Zn and Mn were 226-399; 708-1329; ...