why does the result variation in hplc and gc with same sample ?

4 Answers   Matrix,

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why holium oxide prepared in 10% HCLO4 SOLUTION

0 Answers  

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Why we use uracil and caffeine in hplc calibration

6 Answers   Alchem, Reddy Labs,

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how can give the expiry period and restadardisation of volumetric solution

0 Answers   Meenaxy Pharma, SRF,

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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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How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?

0 Answers  

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In C8,C18....etc have 4&5 etc... microns Columns is there like that how to separate Chiral columns as per Micron size?

1 Answers  

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why we have to store the pH electrode in 4.01 buffer ?

1 Answers   Aurobindo, BioMax, BioSynth, Cipla, Indoco Remedies, SGS,

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Can you please give a suitable definition and an example for understanding the words purity and potency.

6 Answers   Cipla, Malladi Drugs and Pharmaceuticals, Reddy Labs,

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How to determine water content of thioanisole? which interfere by KF titration?

1 Answers  

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what is the difference between gc& hplc. why we r not calculating purity by gc for final products

5 Answers   Biocon, Cipla,

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

1 Answers   Apex,

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