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

3 Answers  

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what is basc principle of the HPLC,IR,UV AND GC? what is difference between diffusion spectra and transmision spectra in IR?

1 Answers   Cadila, Dr Reddys, GICC, Mylan, Sygene, Torrent Pharma, Zydus Cadila,

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mode of absorption in alimentary canal?

0 Answers   Sun Pharma,

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In GC Why does retention time decrease when temperature increases? Also how does a change in temperature effect selectivity?

1 Answers   Gland Pharma,

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what is lod and loq

3 Answers  

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What is the principle of HPLC?

3 Answers   Cipla, Lupin,

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why base line not start from zoro in GC Chromatograme.

1 Answers   Merck,

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why we use holmiumperchlorate in calibrating uv

4 Answers   Aurobindo, DRL, MSN Pharma,

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if rsd failed then what require to do?

0 Answers  

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what is pKa ?

10 Answers   Dr Reddys, Shasun Chemicals,

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Why are EDTA used to etimation of Ca,Mg etc, in Water analysis?

3 Answers   Reddy Labs,

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if you given one product then which tests you will perform?

0 Answers  

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