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Define Regents for Estimation of Vitamin C - Colorimetric Method?
1. 2, 4 dinitrophenylhydrazine reagent - Dissolve 2 g of dinitrophenyl hydrazine in 100 ml of 9N sulphuric acid and allow to stand overnight. Mix and use.
2. 5% thiourea solution - Dissolve 25 g of thiourea in 500 ml of distilled water.
3. 9N sulphuric acid
4. 85% sulphuric acid
5. 0.6% copper sulphate
6. Colour reagent or Dinitrophenylhydrazine - thiourea - copper sulphate (DTC) reagent - Mix
7. 5% trichloroacetic acid (TCA)
8. 5% metaphosphoric acid in 10% acetic acid solution - Mix 1000 ml of 5% metaphosphoric acid and 500 ml of 10% acetic acid.
9. Ice for cooling.
Are organic solvents like benzene and ether polar or non-polar substances? Benzene and the ethers are molecules without electrically charged portions and therefore they are non
Define the meaning of Vital signs Vital signs are measures of different physiological statistics, often taken by health professionals, in order to assess the most basic body f
The volume of Mrs. X's plasma was 3 liters before Ed administered the IV. Assume that there was a complete mixing of the administered water with her plasma but no mixing with her i
1. A roan bull which is heterozygous for the polled condition is mated to several cows of identical genotype to his. How many roan, polled animals should be produced out of 16?
Milk Fats Fats of this group are derived from the milk of ruminants, particularly cows and buffaloes. Although the major fatty acids of milk fat are palmitic, oleic and steari
Explain the Analysis of Food Samples? Now, in this practical, we shall deal with the endogenous and exogeneous microorganisms which are present on the food as contaminants. We
Which enzyme acts on pyruvate in mitochondria and converts it to acetyl CoA?Name its components and cofactors associated with it. Pyruvate dehydrogenase complex acts on pyruvate
Explain mature monocot embryo:
some infomations about reproduction
What are living and nonliving reservoirs? Viruses are both living as well as non-living. They have reservoirs of genes. A one nucleotide is a unit of gene. Viral genes make use
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