Answer / chmreddy

“Vacuum” denotes exposure to a pressure of less than 20 mm of mercury (2.67 kPas), unless otherwise indicated.

In my analysis by HPLC,In sample main peak and placebo peak are eluting with shorter resolution ( almost look like doublet). how can i get max resolution ? Is changing gradient method is usefull?

3 Answers  

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I have got selected for Aurobindo Pharma AR&D, HR person is asking me to sign in agreement. can I join?

19 Answers   Aurobindo,

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WHY given much noise PDA dector then VWD Dector

0 Answers  

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in stress study if your api not soluble in hcl naoh h2o2 then what require to do?

0 Answers  

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As per ICH related substances stability trend limit from initial to shelf life

0 Answers   Medley Pharmaceuticals, Micro Labs,

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Why dst is used in kf for factor determination less than 1

4 Answers   Reddy Labs, Sun Pharma,

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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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only one end point is possible for citric acid and we get 2 end points for di acid why?

3 Answers   Reddy Labs,

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How to calibrate glassware against std calibrated glassware?

3 Answers   Cadila, Hetero,

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What is the difference between Optical rotation and Spcefic optical rotation

2 Answers   IPCA, Matrix,

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For Dissolution test why we are Performing 6 Bowls why not more.any were mentioned or in what basis we are performing? --------Veerabhadrarao.M

2 Answers   Lee Pharma, Micro Labs,

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why we wre doing linearity siudiec in hplc method validation

3 Answers   Cipla,

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