Answer / skreddy

caffin and benzophenones are thae primary standards and
they are having uv value at 254 nm. ben.phe gives 4 isomers
at 254 nm that will not changed at any conditions.

Which type of material analysis in GC using Theramal conditivity detector ?

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in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?

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what is the peak purity concept?

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why the sucrose used in calibration of polarimeter

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what are the standard methods for HPLC?

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what is principal of karl ficher instrument!

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explain 5 components of gas chromatography ?

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How to develop the method when we have very low amount of impurity?

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is there any exact definition for Theoritical plates ? chennu srinivas

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