Answer / hari

Quantitatively determination of amount of main component of a sample present in substance.

Answer / kamaleshwar

Assay means the purity of the compound calculated aganist
a certified standard .That is a quantitative determination.

Answer / chiranjeevi

Assay means the strength of a major component in a given tesat sample which is quantitative determination of compound.

what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?

1 Answers   GHI, Siemens,

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why we use pyridine to determine moisture content of acetonel

2 Answers   Lee Pharma,

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What is difference between assay by Hplc and uv

2 Answers   Aizant, Fredun Pharmaceuticals, Hetero, Marksans Pharma,

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Is there any difference in principal of reverse phase and normal phase chromatography? and why? Please update. Thank and regard

3 Answers   MSN Pharma,

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key components in hplc?

3 Answers   Laurus,

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what is mass spectra ? why it is necessary ?

1 Answers  

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if partition coefficient value was positive means, what it indicates ?

1 Answers  

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In Number of Theoretical Plates (N) = 16 (tr/w)2. where tr: retention time, and W: peak width. My Question is here in formula what is 16.Can u explain briefly? ---Veerabhadrarao.M

3 Answers   Micro Labs, Richter Themis, Sun Pharma,

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mahagenco syllabus for the post of chemist

1 Answers   MahaGenco, Unimarck Pharma,

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can some other acids like nitric acid or HCl can be used in the calibration of UV.Vis. spectrophotometer????

2 Answers   Cipla,

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How can you prepare 0.1% Phosphate buffer solution?

6 Answers  

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when we have polar type of sample and solvnt hen which type of stationry phase we have to use

3 Answers  

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