Un-Answered Questions { Analytical Chemistry }

how to calibrate hplc & gc

4026


what type of questions asked on analytical balance and also give answers................all pharma companies?

11714


Principle of single pan analytical balance

4592


what is the disso medium for tropsiun chloride

1793


What is the difference between Discriminating media and DPDM(Dissolution Profile with Different Media)

6870


How can I develope method of dissolution by HPLC OR UV

1890


process of Diclofenac sodium,IP.

1668


why we are using benzene, anyline in acetic anhdride assay titration method?

1571


in dissolution why pool sample needed? in which type of drug pool sample need?

2587


what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.

2191


What is the difference between spectro meter and spectro photo meter?

10405


AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?

1602


How to choose the which salt is suitable for mobilephase

2638


In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?

2703


Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.

2386