Why using Holmium oxide in UV calibration
Answer Posted / ramu
For control of wavelength holmium oxide is used because of
the stability of the solution and it will cover UV-VIS
range.
241,287,361,536nm
| Is This Answer Correct ? | 89 Yes | 6 No |
Post New Answer View All Answers
If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately
Tell me about analytical method validation in QC
What are the primary considerations in extractables and Leachables ?
why xterra column require to use at higher ph?
Qc interview questions
what is mean by nitrosamine impurities?
if instrument calibration fails then what require to do?
Basic principle of ESI?
how you fix the limits of impurities?
how to calibrate hplc & gc
Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.
How to fix the sample conc. in Related substances test by HPLC?
what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means
why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?
in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?