Answer Posted / k.g.gupta

Check the mobile phase Ph. If it is same we can use the
column for two different products with proper washing . If
U are switching the column from one ph(acidic) to another Ph
(basic) , the column life will be reduce. If any ion
pairing reagent is adding to the mobile phase, dedicate the
column to same product.

mode of absorption in alimentary canal?

2431

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

1320

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what is the principle involved in turbidometry and nephelometry ?

4204

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What is gelatinization?

1669

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how decide the clining method and cleaning method validation require for this perticular products?

814

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how to set sample and standard concentration in RS method?

963

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we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion

1915

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Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?

2784

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for which product require to do content uniformity? what is limit of cu?

867

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how to get accurate result for Residue on evaporation in purified water

1695

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What is viod volume and peak purity in HPLC?

2927

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what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me

2723

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analytical method validation require to with respect to release specification or shelf life specification?

846

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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...

2061

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What is intact assay method development.....?

2751

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