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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 15762on what basis SOP's can be changed? IF mobile phase ratio is 70:30 to how much % can we change the ratio in HPLC process
7 17234how do start hplc method development? how much sample required for developing the method development?
3 52607which pharmacopeoia mentions that caffiene is used as a standard for HPLC calibration? which other standardscan be used for the same?
1 9060Why will a solution of aspirin without acid or basic hydrolysis give yellow colour with a solution of Ferric chloride?
1 5672In HPLC what is Single point threshold, peak purity index and minimum peak purity index? what should be consider for pure peak.
3 32120Post New Analytical Chemistry Questions
which are the diffrent batches in the pharmaceuticals?
why we use a particular hplc column for a particular compound give reasons?please
how require to set assay concentration for standard and sample?
which are the sizes of capsules?
what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?
why we use glass fiber filters use in some situation?
Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?
What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?
[3/28, 20:52] Manoj P Venkatpurwar: how many impurities require to inject in assay specificity that how we can find out? and in Rs also how?
Did anybody have method for acetyl cysteine effervescnce tablet
Which parameters require to do in tech transfer?
can i use hplc detector to uplc and why?
if peak get problamatic then what require to do?
Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?
How would you decide dissolution medium for NCE compound of class I drug
