Answer / ashish

for step% 10,50,90

Why a1% value is used for some product ? What is the criteria for selection a1% value ?

0 Answers   Zim Laboratories,

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what are the normalisation, internal standard and external standerd methods in HPLC.

2 Answers   GVK,

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1)why use benzophenon,uracil in hplc calibration. 2)why use sucrose in polarimeter calibration. 3)what is S/N ratio, noise and drift in hplc 4)how we can find lod and loq in method validation

1 Answers  

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What is chiral and why this performing in HPLC

4 Answers   Hetero, Macleods,

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Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...

0 Answers  

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In HPLC what is Single point threshold, peak purity index and minimum peak purity index? what should be consider for pure peak.

3 Answers  

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give clarity of linearity and range in method validation

0 Answers  

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what is dissolution

6 Answers   DRL,

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What is principle of Polarimeter?

21 Answers   Intas,

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What is Endcapped Hplc column

2 Answers  

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Why we use buffers Acetate for pH 4.5 & phosphate for 6.8 and not vice-versa?

1 Answers   Zydus Cadila,

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how we do assay of urea, ammonium sulpate, ammonium nitro pospate etc

1 Answers   Alembic,

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