whai is primary standard?

10 Answers  

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How to Prepare Dilute Sodium hydroxide solution?

3 Answers   Claris Otsuka,

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is a bonded water molecule in an organic material can be easlisy and accuractly determined by KF rather than LOD

2 Answers  

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Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?

0 Answers   Reddy Labs, Vimta Labs,

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In Related Substances Test how we can reside the limit of impurity ?

2 Answers   MSN Pharma,

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What is the difference of time between two consecutive injections in HPLC?

2 Answers   Nectar Lifesciences,

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What is the main difference between ODS1 and ODS2 Hplc column.

0 Answers   Indoco Remedies,

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Why linearity of detector performed in HPLC calibration

2 Answers   Cipla, Intas,

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in determination of(acetone) moister content we are using methanol replaced by pyredine.what hapend in that reaction.

2 Answers   Glenmark, Neuland,

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in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?

0 Answers  

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Wath is the differenc between two column HPLC wich have the samme support , lenth , pore size, etc.. But different name .for exemple : Spherisorb / lichrosorb

2 Answers   NDA,

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What is the difference between Normal phase method & Reverse method in HPLC ? Define application of both method.

4 Answers  

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