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The volumetric flask is the best.
It is the Saturated solution of Picric Acid and is used to test the presence of alkaloids. Alkaloids give yellow ppt. with Hager's reagent.
Add a sulfate solution: BaSO4 precipitates!
It is used to test for the presence of starch in substances.
Universal Indictor to test if it is an alkaline solution
lassaigne's test is not given by hydrazine as it cannot produce NaCN
Reagents of Osazone test are 1. Phenylhydrazine mixture consisting of phenyl-hydrazine and anhydrous sodium citrate 2. Orignal solution containing a carbohydrate
so it doesnt break
how to prepare a intry test
The volumetric flask is the best.
i dont now
Its based on the respective Company's policy. Mostly Test lead or Test Manager will prepare the Test plan
Mix 90ml. sulfuric acid with 10ml. water, to this add 0.5gm. diphenylamine
It is the Saturated solution of Picric Acid and is used to test the presence of alkaloids. Alkaloids give yellow ppt. with Hager's reagent.
Tubidity with standard Ammonium Molybdate solution
This test is performed to test the presence of cysteine in the test solution (protein solution)
10g/200ml=5g/100ml = 5% solution. Now read your Dosage and Calculations book and prepare for the test because it is Monday. Good luck!