what is the principle of assay of sodium nitrite?
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Answer / appu
Assay of sodium nitrate is VOLHARDS METHOD as excess oxalic
acid is back titrated with pottassium permanganate..........
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We use hicrome 10 cxs column in hplc analysis....pls tell me.. what is the meaning of 10 cxs?
why we need to do karl ficher fector ?
0.1 atom gram of the unknown element( X)reacts with 2.4 gram of O2 to produce the oxid product . can you tell us, what is the oxid formula ? a) XO b)X2O3 c)XO2 D) X2O4
what does 'n' stands for in spectroscopy?give the formula.
what is difference between zero air gas and o2 gas
1 Answers IPCA, Vasudha Pharma,
In acid base titration, after complet consumption of HCl by NaOH, addition of next drop of NaOH will give pink colour with phenolpthalein indicator. Why this pink colour appear? Why not blue, black, green or anything elese?
What is the function of end capped column?
What is similarity factor?
What is gelatinization?
what type of questions asked on analytical balance and also give answers................all pharma companies?
what is the meaning of stress study?
how can you determine a compound acidic or basic?