In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?
1954Why Urasil and Caffeine use for HPLC wavelength accuracy calibration. which is most suitable, Why? other than these which can be used?
7 12690When we r doing processing method for sst in Empower software by HPLC, What value has to give in void volume and as per which pharmacopia!
4 9432is a bonded water molecule in an organic material can be easlisy and accuractly determined by KF rather than LOD
2 4884What will be the effect on HPLC analysis result if three mobile phases given separately through three valves and same proportion mixed together and given by one valve?
LOIL,
1 3038Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.
1447mixed 1.0 ml of methanol and 1.0 ml of toluene and injected in gas chromatography.will you prove that both solvents are in the ratio 1:1(not by area normalization)
1 1588Post New Analytical Chemistry Questions
Which is the highly polar and highly non polar column in HPLC?
If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...
How to choose the which salt is suitable for mobilephase
What is gelatinization?
Principle of single pan analytical balance
How can we calculate offset value pH measurment
WHY given much noise PDA dector then VWD Dector
Identify problem faced when mass spectroscopy is used with HPLC system ?
in dissolution in one tablets two molecule one is losartan & second is HCTZ losartam is complies in s1 stage & hctz is complies in s2 stage then how to report result losartan s1 stage result or losartan s2 stage result
HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.
Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6
Why potassium dichromate was using in Uv calibration?
We use hicrome 10 cxs column in hplc analysis....pls tell me.. what is the meaning of 10 cxs?
what is partion and column chromatography
