Answer / sagar mhaske

BEZ we are taking reading in mv,not in transmittance so all peak in hplc on positive side..
if we are taking reading in transmittance then automatically goes negative side.

Answer / rajeev sharma

Polarity of mobile phase less to diluent so negative peak generated

Answer / divya

which is exothermic reaction.

In UV calibration we use Holmium perchlorate solution made in 1.4M perchloric acid The question is that 1.4 M perchloric acid we make is it in water or glacial acetic acid?

4 Answers  

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What is Delay & Dead Volume

2 Answers  

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analytical method validation require to with respect to release specification or shelf life specification?

0 Answers  

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is it nessesary to do solution stability for 7 days?

0 Answers  

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How to study genotoxicity of impurities in API?

2 Answers   NCL,

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If mass balance is not passing in forced degradation in method validation that method is suitable or not?

1 Answers   Aurobindo, Dr Reddys, Reddy Labs, Wockhardt,

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How you can calculate pKa ?

6 Answers   Dr Reddys,

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Defination of ZEEMAN EFFECT in NMR ?

2 Answers  

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Optical Rotation*0.9477*100*200] Assay Of dextrose= ________________________________ 99.8* 200 why Factor=0.9477

1 Answers   Claris Lifesciences, Inven Pharmaceuticals, Levo,

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if rsd failed then what require to do?

0 Answers  

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The colour presence in kmno4 is due to.

1 Answers   Laurus,

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what is the difference b/w water content & moisture content

3 Answers   Dr Reddys,

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