Answer Posted / surendra reddy

naphaline also used

in which situation require to change rs specification?

797

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For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?

4134

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in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?

786

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What is viod volume and peak purity in HPLC?

2935

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function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?

2721

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mahagenco syllabus for the post of chemist

6513

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what is mean by peak intigrity?

1027

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how you start the solubility study?

863

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Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...

1752

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How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.

2359

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[3/28, 20:52] Manoj P Venkatpurwar: how many impurities require to inject in assay specificity that how we can find out? and in Rs also how?

846

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how you fix the limits of impurities?

893

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Why a1% value is used for some product ? What is the criteria for selection a1% value ?

2394

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AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?

2113

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IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?

2506

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