Answer Posted / m. balaram naidu
MAINLY TWO TYPES IS USED
THESE ARE (1)NORMAL PHASE
(2)REVERSE PHASE
1)NORMAL PHASE:-POLAR STATIONARY PHASE
NON POLAR MOBILE PHASE
2)REVERSE PHASE:-NON POLAR STATIONARY PHASE
POLAR MOBILE PHASE
Is This Answer Correct ? | 9 Yes | 2 No |
Post New Answer View All Answers
in sampling of raw material which side is pasted sampled labels
4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations
In Dissolution Test why limit is define Q+5% what is the role of +5%.
why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?
In rs method development when we are going area normalization method to dilute standard method?
What is similarity factor?
how to qualify the impurity?
how you determine moist.of NaOH sol or NaOH flacks
What is the diference between residual solvents and organic volatile matter
in dissolution why pool sample needed? in which type of drug pool sample need?
UV and PDA detector, which have less signal to noise ratio?
How we choose the mobile phase for method development.?
Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?
I have compare C2H2-air and C2H2-N2O flame AAS on determination calcium. Both use same range of std to plot calibration curve. (2-6ppm) When i measure the sample with phosphate, KCl and LaCl, C2H2-N2O flame give false positive result, around 0.5ppm. When i measure the sample with phosphste, KCl and EDTA. C2H2-N2O flame also give 0.5ppm false positive. But both above mentioned sample would not give false positive when measured by C2H2-air flame. What is the reason?
Why use only methanol,used determinationof moisture content not use other solvents