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From where 16 or 5.545 is derived in theoretical plates calculation formula by USP or JP/BP/DAB and what is meaning of this coefficient and impact in calculation ?
2 12867can 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?
2183Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?
2184What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?
8864What is the difference between Spectroscopy and spectrophotometry,What are the applications?
4 11888Post New Analytical Chemistry Questions
How to fix the sample conc. in Related substances test by HPLC?
Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.
What is the principle of Thermal conductivity detector and FID?
If vendor having more imp than monograph then how to proceed? and how to set spec?
what type of question will ask in the interview of lab chemist.
AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?
Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?
in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?
How to calculate coreletion coefficient
Principle of single pan analytical balance
mahagenco syllabus for the post of chemist
if peak get problamatic then what require to do?
What is related substance by HPLC impurity limits as per USP?
is it nessesary to do solution stability for 7 days?
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
