what is the principle of assay of sodium nitrite?
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Assay of sodium nitrate is VOLHARDS METHOD as excess oxalic
acid is back titrated with pottassium permanganate..........
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What is use of LOD and LOQ in validtion and give range and in calculation why we use 3.3* LOD here why we use 3.3
2 Answers Dr Reddys, IPCA, Reddy Labs,
why don't we call POH meter? As we all as PH meter
Why 1.2% KCl is used for limit of stray light? and why limit of stray light is required in UV calibration?
Retention time & Relative Retention time Definition & between difference? How to Calculate response factor(RF) & relative response factor(RRF)?
if you have given a blank water how you analyse by general analytical techniques?
Why we have to take 42gm of sodium hydroxide instead of 40gm for preparation of 1M Sodium hydroxide as per Pharmacopia? Whether it means the formula for calculating molarity was wrong?
5 Answers Claris Otsuka, Ranbaxy,
Why we check moisture,ash & AIA in product
Why red HgI2 added during starch preparation?
why phenolpthalin gives pink colour when we titrate aganist sodium hydroxcide & phenolpthalin gives colourless titrate aganist hydrochlric acid which is un burate
why we are using only lead standard solution for Heavy metals test? what is the purpose of this?
what is the difference between EP and BP
2 Answers Novartis, Vimta Labs,
What is the size of capillary tube used for analysing melting point?