Why we use buffers Acetate for pH 4.5 & phosphate for 6.8 and not vice-versa?
Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc
wen v have polr solvent then which type of column use in hplc
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,
whai is primary standard?
WHAT IS THE DIFFERENT BETWEEN PURITY, POTENCY AND ASSAY
i set electrode to 7 buffer than i used it to check 4 buffer and 10 buffer if the results are not as expected than is it better to set the buffer again to 4 buffer or is there any other method available please let me know ...
Principle of HPLC in one sentance
if instrument calibration fails then what require to do?
One pH means how much volts and milivolts?
What attracted you to analytical chemistry?
Retention time & Relative Retention time Definition & between difference? How to Calculate response factor(RF) & relative response factor(RRF)?
1 % solution is equal to how much ppm