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 20328plz 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 3746In pharmaceuticals formulation OOS applicable in Raw Material(which is not manufacturing in the company. and purchase by approved vendor)).Why?
1 7933How to make up 100ml of a solution cintaining compound A at 95µg/ml and compound B at30µg/ml for an HPLC reference standard.
3 6487How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain
1917Post New Analytical Chemistry Questions
AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?
In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?
A ha tc is actual defination of retention time?
in which situation ion pair require to use?
How to calculation of residual solvent methanol (3000 ppm) standard solution, and how many quantity used of test sample
In performance Check of GC Why Hexadecane Peak is Considered
how require to select dissolution media? what is discrimination?
How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?
Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?
all types of questions asked at the cipla interview
what is turbidimetric titration?Give 2 examples.
why xterra column require to use at higher ph?
give clarity of linearity and range in method validation
what is mean by ambient temperature?
what type of questions asked on analytical balance and also give answers................all pharma companies?