One Raw material failed assay test is there any chance for failing purity of that material ?
7 10129Why we are use 0.005M Sulphuric acid, in control of absorbance performance test UV Spectrophotometer calibration
2 13582How much sample concentration should i inject against diluted standard in related substances for drug product in hplc analysis
1 2897Post New Analytical Chemistry Questions
some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?
How do we fix the sample concentaryion in hplc method development?
why holium oxide prepared in 10% HCLO4 SOLUTION
Why irmoisture balance is used for corrugated box moisture testing
How we choose the mobile phase for method development.?
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 ?
mahagenco syllabus for the post of chemist
What is intact assay method development.....?
In IR spectra, generally a molecule vibrates without apply emr or ir light?
What is aggregate and fragments in SEC?
UV and PDA detector, which have less signal to noise ratio?
what is the importence and role of LCMS and LCMS/MS and their applications? which type of compounds are analysis by lcms?
what is the difference between potentiometric titration and karl fischer titration?
mode of absorption in alimentary canal?
