Answer / rajender

potassium dichromate(130 centigrade 2 hrs drying) is a primary standard and it does not degrades upon longterm exposure to U.V , it appears in multiple wavelength regions

How to define samples weight in moisture content

1 Answers  

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what is the definition of limit of stray light in UV calibration

1 Answers   FDC, Zydus Cadila,

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why disodium tartarate used in karl-fischer instrument ?.

1 Answers   Dishman,

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some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?

0 Answers   Micro Labs, VMSRF,

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How do you verify the primary,secondary and tertiary amines by IR-Spectroscopy.

2 Answers   GVK,

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What is column dead volume?

4 Answers   Astron Research,

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What is the column performance and column efficiency?

2 Answers   Reddy Labs,

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Why dissolution test apparatus calibration with salycilic acid tablets was stopped by FDA&USP from the year of 2009?

1 Answers   Aurobindo,

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What should be the calibration procedure for wavelength accuracy in case of HPLC?

4 Answers  

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In case of HPLC coloums what is the difference Between C8 & C18 coloums & how can we select difference type of coloums like Inertial ODS , Hypersil BDS , ODS etc.?

4 Answers   MSN Pharma,

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WHAT IS THE USAGE OF REFRACTIVE INDEX IN PHARME FIELD

3 Answers  

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acceptance criteria for ph meter, hplc detector,pump,injector,oven when we calibrate.

3 Answers  

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