Why we use caffeine for HPLC calibration in Detector wave
ength accuracy test
Answer Posted / k.rajasekhara reddy
It is different wavelengths two maxima and one minima wavelengths 204, 272,245nm. this is no degradation due to environmental factors easily available and low cost in market
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
inhouse product is in capsule form in combination and RLD is in tablet form then can we proceed for multimedia CDP? in inhouse capsule product disso is paddle with sinker in release media is there then RLD product in tablet form then with same as paddle with sinker we can proceed n.a.?
how to qualify the impurity?
Colorimtry
Which are the diffrent grades of api in pharma?
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...
pharma industries oriented
How do we fix the sample concentaryion in hplc method development?
What is dose dumping? why require to do?
what are risk assement in the analytical qbd?
what is lod and loq ?,why use k2cr2o7 , kcl h2so4 in uv calibration ?,why use benzophenone & caffene acetone in hplc calibration ?,what is leading peak in hplc ?why we do the calibration of limit of stry light in hplc & uv ?
Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc
How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.
What is control room temperature and which guide line says?
What is the difference between chromatographic purity and related substances?
why we should take dst factor for below 1%moisture samples