How to set specification of assay, fisdolution and related substances?
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For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?
What is the unit of Colour?
from compund pka value how to select buffer and column?
2 Answers Emcure, Zydus Cadila,
why we get negative values in uv when i placed sample which has some concetration but not in standard
In chromatograpbic purity 90% is there, in assay 70% is there. How will you prove remaining 30%.
Related substance method equivalency on control sample or spiked sample?
At what distance the sample is collected in dissolution basket?
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what is dissolution
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What is UV cut off?