why require the ph, buffer during hplc mobile phase?
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why results are variation in same samples analysis in gc and hplc ?
What is the difference between Optical rotation and Spcefic optical rotation
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
Suppose we prepared pH buffer solution in lab.and calibrate against NIST solution, and same shall going to used upto 30 days. is it possible to stable pH and apperance ? suggest ?
why plane of polarized light rotated by opticaly active compunds?
pda detector mechanism?
1 Answers DKR, Teva Pharmaceuticals,
in gas chromatography what is the difference between gas flow rate and average linear velocity ?
how calculate column dead volume in hplc ?
How decided 10 ppm standard solution in Swab, rinse method.?
In the test for control of absorbance in UV calibration why do we use only potassium dichromate and what is purpose of taking a specified amount of 57.0-63.0mg?
why ph is between 0 to 14
6 Answers Apotex, Reliance, Zydus Cadila,
why salisylic acid not using now days for disdolution calibration?