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,
1809How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?
NCL,
2519full name of OOS & OOT ? Dercribe it with details ? why this is needed in pharma industry ?
10 27023why KBr is used in FTIR SPECTROSCOPY and why is it necessary to triturate KBr during FTIR analysis?
25 96908why water, methanol, ethanol ets solvents are used in UV SPECTRIPHOTOMETER for blank reading ?
7 19652can some other acids like nitric acid or HCl can be used in the calibration of UV.Vis. spectrophotometer????
2 6527Post New Analytical Chemistry Questions
function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?
mahagenco syllabus for the post of chemist
what is the purge flow & how to calculate
How can the GC or HPLC method is selected to determine the impurity profile in drug product?
how you determine moist.of NaOH sol or NaOH flacks
What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.
calibrtion procedue of LC-MS
How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample
In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?
IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?
all types of questions asked at the cipla interview
How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain
how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.
What is the difference between known and unknown impurities?
As per ICH related substances stability trend limit from initial to shelf life
