what is the diference between spectroscopy and chromatography

2 Answers   Cipla, PharmChem, Reliance,

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who is the father of HPLC?

6 Answers   Cipla, IPCA,

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What is the definition of RRF

2 Answers  

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If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately

0 Answers  

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how does h2so4 prevent oxidation of mohr salt before it is titrated?

1 Answers  

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Hello Dear all; I have a technical question related to analytical Chemistry, I have a sample of (40% w/w) Ferric Chloride solution (for water treatment purposes which consist a little portions of Ferrous Chloride and Hydrochloric acid. I need to know the methods to determine the percentages of each Ferrous Chloride and Chloride acid. Also I want to make sure that this solution is truly (40% w/w). So ANY CLUE !!! Thanks in advance.

2 Answers  

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The boiling point of 1,3 butadiene is -4.4 DC & the boiling point of Pentane is 36.1 DC. Then how come Pentane elute before 1,3 BD in GC analysis?

1 Answers  

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why require the ph, buffer during hplc mobile phase?

0 Answers  

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Why 10%,20%,30% Sucrose solution is used for the calibration of polarimeter?

5 Answers   Cipla, LGC Promochem,

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why we are using buffer solutionas as a mobile phase in hplc.

2 Answers  

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In rs method development when we are going area normalization method to dilute standard method?

0 Answers  

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What is FDA form 482c?

1 Answers   Lupin,

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