Answer Posted / raja.s

Usp limit

what you do when compound having dwel wavelength?

285

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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?

1796

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What is viod volume and peak purity in HPLC?

2346

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if you have given one product then how you determine the impurity in that?

294

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Did anybody have method for acetyl cysteine effervescnce tablet

1815

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how to set sample and standard concentration in RS method?

366

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Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?

2477

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Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?

1698

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What is similarity factor and its use in api strength?

801

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USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...

1560

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What is the difference between chromatographic purity and related substances?

793

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Why we use potassium dichromate in uv calibration Exact reason behind it??

658

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In performance Check of GC Why Hexadecane Peak is Considered 

2560

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[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?

314

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Related substance method equivalency on control sample or spiked sample?

306

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