How long we can use hygroscopic reference standard in terms
of water absorb.I mean in line with respective monograph's
specification or more than that?
can some other acids like nitric acid or HCl can be used in the calibration of UV.Vis. spectrophotometer????
Which parameter require to do for analytical method equivalency?
what is the difference between the ordinary loss on drying technique and vacuum oven technique?
Why we perform the ir analysis?
effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?
What is the use of tlc and hplc? And when and where use?
what is the method of UV cabinet CALIBRTION
Why we have to take 42gm of sodium hydroxide instead of 40gm for preparation of 1M Sodium hydroxide as per Pharmacopia? Whether it means the formula for calculating molarity was wrong?
5 Answers Claris Otsuka, Ranbaxy,
what type of question will ask in the interview of lab chemist.
0 Answers Godavari Biorefineries, Monginis,
What is the formula for Tapdensity /
6 Answers Dr Reddys, GR Intrachem,
why peak purity not considered in GC?
4 Answers DRL, Reddy Labs, Vimta Labs,
What is FDA form 482c?