about method developement in hplc

0 Answers  

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why ph electrode is storing in KCL solution?Why the pH max is 14.0?

5 Answers   Cadila, Vimta Labs,

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why we wre doing linearity siudiec in hplc method validation

3 Answers   Cipla,

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Qc interview questions

0 Answers   Apotex,

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what is the difference between polarimeter lamp and ir lamp

0 Answers  

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What is pooled sample in Dissolution

2 Answers   Graviti Pharmaceuticals, Lupin,

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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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how can we determine RRF value in HPLC FOR CALCULATION OF IMPURITY ?

4 Answers   Macleods,

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How to caluculate the RRF and correction factor in hplc

1 Answers   Alkem Labs, Aurobindo, Rakshit Drugs, SDLPL,

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we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion

0 Answers   Cipla,

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what is the conductivity of hplc grade water?

4 Answers  

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if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?

0 Answers  

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