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Define Reagents for Estimation of Calcium Using EDTA Titrimetric Method?
1. Buffer solution: Dissolve 16.9 g NH4CI in 143 ml NH4OH. To this add 50 ml of solution containing 1.17g Na2EDTA. 2H2O and 0.644 g MgCI2 . 6 H2O and dilute to 250 ml with distilled water.
2. Indicator: This contains a mixture of 0.5 g Eriochrome black T and 100 g NaCI. It is used in a dry form.
3. EDTA solution (0.01 M): Weigh 3.723 g Na2EDTA. 2 H2O and dilute to one liter with distilled water.
4. Standard calcium solution: Calcium carbonate solution containing 1 mg/ml of calcium carbonate.
5. Distilled water
The need to replace missing teeth has haunted humans for time immemorial. Since antiquity man has attempted to solve the problems associated with failing dentition. The goal of mod
Q. Show Foods that damage GI mucosa? Foods that damage GI mucosa: A number of spices, herbs and other condiments have been found to have little or no irritating effect on the m
Plot the data as a suitable graph. Join the points with the best-fitting smooth curve.Temperature oC(5,10,11,13,17,19) Time taken for eggs to hatch/h 230 90 70 30 25
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disadv of protozoa
SHORT COMING OF CELL THEORY / EXCEPTIONS OF CELL THEORY (i) Viruses can be considered as exception to cell theory. They are made of proteins and ones of nucleic acid i.e.
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an assignment of amphibians
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