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what is basc principle of the HPLC,IR,UV AND GC? what is difference between diffusion spectra and transmision spectra in IR?
Cadila, Dr Reddys, GICC, Mylan, Sygene, Torrent Pharma, Zydus Cadila,
1 21485plz tall me that any pharmacopeia and guideline is par meted to use 1.68,4.01,7.00,9.00,12.45 buffer for ph meter calibration
2 5076In pharmaceuticals formulation OOS applicable in Raw Material(which is not manufacturing in the company. and purchase by approved vendor)).Why?
1 9120How to make up 100ml of a solution cintaining compound A at 95µg/ml and compound B at30µg/ml for an HPLC reference standard.
3 7853How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain
2441Post New Analytical Chemistry Questions
IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?
how you determine moist.of NaOH sol or NaOH flacks
In which situation we require to analytical method validation of excipient?
How can we calculate offset value pH measurment
what is mean by covalidation
What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.
What is shaking level in GC?
What are the primary considerations in extractables and Leachables ?
In Dissolution Test why limit is define Q+5% what is the role of +5%.
How we choose the mobile phase for method development.?
what is the disso medium for tropsiun chloride
How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?
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...
in each media we require to use SLS? how to proceed?
if rsd failed then what require to do?
