about analytical chemistry722
in gas chromatography what is the difference between gas flow rate and average linear velocity ?
class of solvent regarding Residual solvent e.g. Acetone his class1 1965
Through 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 3487
what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means679
In gas chromatographic analysis sometimes we use headspace, why it is required instead of manually injection?1 2534
How to fix the sample concentration in related substances development.3 4634
How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?
how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,
what is peak purity and its formula
we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion
What is viod volume and peak purity in HPLC?
process of Diclofenac sodium,IP.
What is diffrence between extractable volume and deliverable volume? Answer pls
what type of questions asked on analytical balance and also give answers................all pharma companies?
what is the purge flow & how to calculate
Can we interpret accuracy from linearity in method validation?
what is the limit for KF Factor ,we take factor using water we will found factor between 6 to 7 ,while on KF Reagent bottle mentioned 5 mg/ml water content.if we not use dried methanol it is effect on factor.
what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means
What is column in chromatography?
what is partion and column chromatography
What is the exact reason to use THF and IPA in buffers of Reverse phase HPLC as a solvent?