Why sulpuric acid only used to ROI but not used nitric acid and some other acids?6 16984
how can you do the analysis of compound given to u by hplc1 4764
What is calibration procedure of gredient HPLC pump4 19896
How to determine water content of thioanisole? which interfere by KF titration?1 5475
What is colimn selection Criteria in HPLC analysis?4 10907
Which buffer is used for LC/MS mobile phase & at What Conc.3 7832
How we fix the validity period of a Normal solution and re-standardization due date3 5489
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 do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.
what is the purge flow & how to calculate
How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample
what is the disso medium for tropsiun chloride
How to check hplc detecter sensitivity?
In Karl Fischer titration,What is the situation if the material tested is only soluble in water,and not soluble in the common solvents used such as methanol ?? [e.g. Iron III Hydroxide polymaltose]
Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?
why 6 tablets use for dissolution
While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?
what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?
Why dissolution test is not performed in all of the products
some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?
What is FFA, PV, and PAV value in oil.