Answer Posted / hiren

First is not column proper installations  
Secound is not proper work syrring
Thred is injector septa so much punching 

What is third generation HPLC Columns?

2037

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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?

2357

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

2721

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what is partion and column chromatography

2473

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How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?

1830

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which are the diffrent batches in the pharmaceuticals?

863

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Difference between hlaf and rlaf

2168

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Which parameter require to do for analytical method equivalency?

820

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What is the purpose of octyl silane columns?

4340

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Tell me something about Vitamin A test method by HPLC

2725

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Did anybody have method for acetyl cysteine effervescnce tablet

2298

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Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?

2746

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from where i get mortar pastle for glass bottle crush? it's required for testing of it?

2328

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What is stray light in uv what are units for stray light

1721

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

1697

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