Answer / ravi mishra

If your diluent is more polar than mobile phase then such negative peak appear.

Answer / hemesh

in UV detector cell precipitate might be formed.
it should be cleaned with hot water or diluent in which it dissolve.

If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately

0 Answers  

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why plane of polarized light rotated by opticaly active compunds?

1 Answers   Glenmark,

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what is the effect of injection volume calculate flow rate in perkin elmer headspace? (ccm parameter in HS)

1 Answers  

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As per USP u/vacuum means (how much vacuum should be applied)?

1 Answers   Mylan,

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how v can identify functional groups by wet techniques?

2 Answers  

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Do you know what Trace metal clean technique is?describe that technique?

1 Answers   Mylan, Nirma, Oil and Gas Jobs, Reddy Labs,

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What about karl fischer reaction mechanism ?

2 Answers   Aurobindo, Mylan,

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what is custom fields in waters system?

1 Answers   Akorn India, Aurobindo,

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How can v calibrate ftir ? Plz explain me

2 Answers   Cipla,

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what is the definition of Precision.

4 Answers   Cipla,

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what is the purge flow & how to calculate

0 Answers   Granules,

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Can anybody tell me how to measure Redox potential in an aerobic matrix, for e.g., soil etc.?

2 Answers  

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