Difference between uv detector nd RI DETECTOR? wt s the difference between OVI Solvents nd residual solvents incase of GAS CHROMATOGRAPHY? nd wt s its detection limit?3 10646
on what basis SOP's can be changed? IF mobile phase ratio is 70:30 to how much % can we change the ratio in HPLC process7 10822
Why caffeine as a reference standard used for calibration of HPLC?11 41571
What should be the precision for HPLC during technology transfer?3 6133
how do start hplc method development? how much sample required for developing the method development?3 39965
Wt s the use of linearity in HPLC method validation4 10982
which pharmacopeoia mentions that caffiene is used as a standard for HPLC calibration? which other standardscan be used for the same?1 5137
Why will a solution of aspirin without acid or basic hydrolysis give yellow colour with a solution of Ferric chloride?1 3550
Why do we use 0.005M h2so4 solution for preparation of k2cr2o7 solution for UV calibration?3 18893
In HPLC what is Single point threshold, peak purity index and minimum peak purity index? what should be consider for pure peak.3 21387
acceptance criteria for ph meter, hplc detector,pump,injector,oven when we calibrate.3 18202
What is third generation HPLC Columns?
How we can determine water content in piperazine
i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me
AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?
What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.
How will u perform degradation study in detectors other thann PDA in HPLC Methodology
mode of absorption in alimentary canal?
please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development
WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY
In performance Check of GC Why Hexadecane Peak is Considered
What is viod volume and peak purity in HPLC?
are there in uv lamb that is chractrestic for wavelenghth 205 nm ?????
HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.
1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer
in gas chromatography what is the difference between gas flow rate and average linear velocity ?