Answer Posted / thondhavada swathi

a standard solution can be obtained by dissolving a definite weight of substance having known purity is called primary standard.ex:nacl

Volumetric solutions ara known as secondary standards .ex:kmno4

How we can identify process related and degradation impurity in single method with short period?

825

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Principle of single pan analytical balance

5145

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Why Ethanol is Used for Standardization of GC Head space?

4231

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identification is for unknown? qualification for known? reporting for LOQ?

725

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

2672

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What is mean by PDR?

949

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pharma industries oriented

2248

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What is dose dumping? why require to do?

954

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How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?

3361

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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...

1694

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In Assy by potentio metry titration method how select MET U ,DET U, SET U,

2175

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process of Diclofenac sodium,IP.

2216

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how you confirm the assay method?

772

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While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?

2874

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What is the principle of Thermal conductivity detector and FID?

2734

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