Why Urasil and Caffeine use for HPLC wavelength accuracy calibration. which is most suitable, Why? other than these which can be used?

7 Answers   Cipla,

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why we measure PH of a solution in PH only why not POH ?

1 Answers   Stellence Pharm Science,

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why KF factor is between 4.5 to 7.5 mg/ml ? why ? why sometime pyridine is used in analysis like in raw material solvent like acetone etc?

11 Answers   Aurobindo, GVK, Sohan Healthcare,

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why do we have to used saturated ammonia in TLC

3 Answers   Cipla, IPCL, Mylan,

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how can I make the copper get white bye any salt or acit?

0 Answers  

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why linerity not use in GC but use in HPLC ?

6 Answers  

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Why dst is used in kf for factor determination less than 1

4 Answers   Reddy Labs, Sun Pharma,

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diference b/w packed &capilary columns

2 Answers  

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why we are analyzing purity on HPLC why not in gc

3 Answers   Aurobindo, Reddy Labs,

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principle of FTIR

2 Answers   Biocon, Macleods,

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How much is the standard area for glc analysis

0 Answers  

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what is difference between IR lamp and polarimeter lamp

2 Answers   Raks Pharma,

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