why do we use around only 60 mg of K2cr2o7 in the UV calibration -control of absorbance test?

3 Answers   Reddy Labs,

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what is reverse phase chromarography&normal phase chromatography

4 Answers   Aurobindo,

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Difference between c18

6 Answers   Apothecon, Dr Reddys, Intas, IPQA, SUN, Torrent Pharma,

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differnc btw c18 and c-8 column

3 Answers   Cipla,

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How we fix the validity period of a Normal solution and re-standardization due date

3 Answers  

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what is the difference between heavy metals and sulphated ash

2 Answers   Aurobindo,

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what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?

0 Answers   Neuland,

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1 % solution is equal to how much ppm

32 Answers  

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What is cleaning validation of rinse and swabe and its limit with caculation formula.

5 Answers  

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what is the difference b/w repeatability nd reproducibility ?

1 Answers   Aptuit Laurus,

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Why potassium dichromate is used in calibration of uv?

0 Answers  

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Why we compare unequal concentrated solutions in heavy metals test. For example comparing the test solution with 1 ppm lead standard and telling it's less than 20ppm?

1 Answers   Micro Labs, Mistair,

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