Answer Posted / rohit dixit

By ames test we can findout the genotoxicity.

If combination product how require to identify which imp is of which api?

835

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why require the ph, buffer during hplc mobile phase?

852

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WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE

2126

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Why potassium dichromate is used in calibration of uv?

1980

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In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?

3169

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If suppose 10 methods of dissolution given in pharmacopoeial for single content product then which method out of 10? or all 10 require to follow?

983

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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

1863

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what is mean by 40 in the dissolution basket mesh size?

780

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My question about gas chromatography sulfur chemiluminsecence detector. I test unknown sample gas by GC-SCD (calibrated ) and the result of *H2S is 279 PPM , *but when I test the same sample with the GC-TCD (calibrated ) the value of *H2S is 2500 PPM . I'd like to inform you that both GCs are calibrated and have very good operation conditions with stable parameters . the question is if the sample gas with higher H2S over detection limits of SCD detector (1000 ppm). why the result it 279 ppm Best regards

1588

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what are the guidelines for analytical method validations?

1094

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HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.

2229

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what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?

9988

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How we choose the mobile phase for method development.?

1205

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What is third generation HPLC Columns?

1977

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what is the disso medium for tropsiun chloride

2257

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