why we are using polystyrene film for calibration of I.R
spectroscopy?
Answer Posted / s.j.patel
because poltstyrine give sharp result in ir region.
| Is This Answer Correct ? | 6 Yes | 4 No |
Post New Answer View All Answers
What is similarity factor and its use in api strength?
what is the purge flow & how to calculate
how you establish the LOQ?
What is related substance by HPLC impurity limits as per USP?
Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?
Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?
in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?
why holium oxide prepared in 10% HCLO4 SOLUTION
analytical method validation require to with respect to release specification or shelf life specification?
if tech transfer fails whay require to do?
Why dissolution test is not performed in all of the products
As per ICH related substances stability trend limit from initial to shelf life
which situation gc hs and gc als require to use?
why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?
mahagenco syllabus for the post of chemist