How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?
NCL,
2621How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?
NCL,
3184full name of OOS & OOT ? Dercribe it with details ? why this is needed in pharma industry ?
10 33791why KBr is used in FTIR SPECTROSCOPY and why is it necessary to triturate KBr during FTIR analysis?
25 113096why water, methanol, ethanol ets solvents are used in UV SPECTRIPHOTOMETER for blank reading ?
7 25352can some other acids like nitric acid or HCl can be used in the calibration of UV.Vis. spectrophotometer????
2 8429Post New Analytical Chemistry Questions
How to establish relative response factor for hplc. Why it is required?
how pda detector works over uv?
Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?
about method developement in hplc
what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means
why multimedia dissolution require to do?
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 ?
What is vial equlibriation in Gc?
what is diffrence between specificity and selecivity?
What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?
How can we calculate offset value pH measurment
which are the guidelines for force degradation studies?
How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.
which are the sizes of capsules?
is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth
