in gas chromatography what is the difference between gas flow rate and average linear velocity ?
USV,
1923Through assay by hplc(anhydrous basis) product got 100.8% .How much the potency of that product.Moisture content is 1.7%,Sulfated ash is 0.02%,Total impurities are 0.3%
2 5421what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means
1480In gas chromatographic analysis sometimes we use headspace, why it is required instead of manually injection?
1 3996Post New Analytical Chemistry Questions
why require the ph, buffer during hplc mobile phase?
why octanol used to determine the partition coefficient ?
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 ?
Identify problem faced when mass spectroscopy is used with HPLC system ?
for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol
UV and PDA detector, which have less signal to noise ratio?
What is shaking level in GC?
What is the difference between spectro meter and spectro photo meter?
What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?
How will u perform degradation study in detectors other thann PDA in HPLC Methodology
Which are the diffrent grades of api in pharma?
What is the Formula for coreletion coefficient in plhplc calibration
all types of questions asked at the cipla interview
what is mean by 40 in the dissolution basket mesh size?
USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...
