Answer / s.dhivya

Preservative

why should we calibrate pH meter with 4,9.2 and 7.4 buffers particularly?

5 Answers   Celon Labs,

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what is the difference between gc& hplc. why we r not calculating purity by gc for final products

5 Answers   Biocon, Cipla,

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how v can identify functional groups by wet techniques?

2 Answers  

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If we have 5 strength which is not dose proportinate and excipients also diffrent in each strength then how we can proceed for Force degradation? and excipient are same but not dose propotinate the how FD?

0 Answers  

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WAHT IS THE ELUTION ORDER IN GAS CHROMATOGRAPHY?

3 Answers   Micro Labs,

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what is the concept for adjustment of pH in HPLC buffer solution ? a. Common ion effect b. Counter ion effect and explain me, how we adapt this principles & what is the role of these principles in our method

1 Answers   Apex, Pentagon Labs,

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what is the differnce between GMP and CGMP

7 Answers   Shilpa Medicare,

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stability study is going on up to 3years for famotidine-USP but the pharmacopeia is revised and tlc test is replaced with hplc test. At the 4th year frequency the product is failed in hplc test .how can i assain the expiry or retest date and can i stop or continue the programme?

2 Answers   Nakoda Chemicals,

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what is the criteria for choosing capillary column in GC??is it dependent on sample load?

3 Answers  

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what is mean by assay?

6 Answers  

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Difference Between End Cap HPLC Column and Non End Cap Column

2 Answers  

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how the compound separate in coulunm,explain

0 Answers   Wockhardt,

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