how can delete the impurity in 1-(2:6 dichloro phenyl)-2-indolenone.and desolving the impurity in which solvent but does not desolve product in solvent.1 1224
What is blank titration of potentiometrically.2 7442
which solution used for detecting factor of k.f.titroter except water3 6438
in dissolution why pool sample needed? in which type of drug pool sample need?1824
in determination of(acetone) moister content we are using methanol replaced by pyredine.what hapend in that reaction.2 6234
what is impurity profile. how to interpret this impurity profile to a drug product or drug substance.1049
What is the difference between spectro meter and spectro photo meter?1 8457
How do u differentiate primary1 1318
WHEN AN UN KNOWN SAMPLE IS GIVEN TO U,HOW WILL U START THE ANALYSIS(ie FIRST WHICH TEST TO BE DONE,NEXT,THEN NEXT),HOW WILL U DECIDE WHICH TYPE OF ANALYSIS TO BE DONE FOR IT?2 7622
WILL YOU DRY DST BEFORE FACTOR DETERMINATION BY USING KARL FISHER TITRATOR4 7724
How to choose the which salt is suitable for mobilephase
What is the main difference between ODS1 and ODS2 Hplc column.
What is the exact reason to use THF and IPA in buffers of Reverse phase HPLC as a solvent?
how can I make the copper get white bye any salt or acit?
How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?
what is definition of validation? which components are followed give detail?
can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?
What is the diference between residual solvents and organic volatile matter
Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?
why equlirium conatant of water have 14 value
acceptance criteria for lod & loq by standard deviation of response and slope??
calibrtion procedue of LC-MS
1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.
for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol