Why we use caffeine for HPLC calibration in Detector wave ength accuracy test59 165304
Why Deuterium lamp is used as UV light Source for UV.4 14942
What is unit of pH?26 40889
Why sodium lamp is used as source of Polarimeter?12 49138
why there is a need of optical activity & specific optical activity measurement by polarimeter6 10596
How many clauses in ISO!2 10129
Why 10%,20%,30% Sucrose solution is used for the calibration of polarimeter?5 21479
How can the GC or HPLC method is selected to determine the impurity profile in drug product?
acceptance criteria for lod & loq by standard deviation of response and slope??
using gradient pressure in gas chromatography are not ?using gradient pressure why
Why a1% value is used for some product ? What is the criteria for selection a1% value ?
WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY
cefoperozone and sulbactam inj. hplc test method
what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain 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?
How to determine the EDTA content by potentiometry titration in Ceftriaxine sodium
WHY given much noise PDA dector then VWD Dector
Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18
How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.
How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample
what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means
why holium oxide prepared in 10% HCLO4 SOLUTION