What is Rf value& Rx value in TLC?

1 Answers   Abbott,

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which pharmacopeoia mentions that caffiene is used as a standard for HPLC calibration? which other standardscan be used for the same?

1 Answers   Hetero, Mylan,

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how to regulate noise in HPLC?

2 Answers   Alkem Labs, Vimta Labs,

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from compund pka value how to select buffer and column?

2 Answers   Emcure, Zydus Cadila,

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How decided 10 ppm standard solution in Swab, rinse method.?

2 Answers  

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how will you do the prep for unstable componds?

0 Answers   AMRI, CTX Life Sciences, Piramal Healthcare,

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In Related Substances Test how we can reside the limit of impurity ?

2 Answers   MSN Pharma,

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how to start the method development of Dissolution and related substances.

1 Answers   Apex,

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what is LC - MS ? What its wide use in cro/pharmaceutical Industry

4 Answers   Ranbaxy,

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what is the difference between LOSS ON DRYING IN ORDINARY OVEN TECHNIQUE AND VACUUM OVEN TECHNIQUE

6 Answers  

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why you require QA approval & what is its importance?

2 Answers  

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is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth

0 Answers   Aarti Drugs,

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