what is the difference between capillary and glass column in GC1 5709
what is basc principle of the HPLC,IR,UV AND GC? what is difference between diffusion spectra and transmision spectra in IR?1 18171
plz 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 calibration1 1670
In pharmaceuticals formulation OOS applicable in Raw Material(which is not manufacturing in the company. and purchase by approved vendor)).Why?1 5963
On which pharmacopoeia basis we can calibrate instruments like HPLC,GC,UV,DISSO,IR etc...9 16590
How to make up 100ml of a solution cintaining compound A at 95µg/ml and compound B at30µg/ml for an HPLC reference standard.3 4281
How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain1186
How to choose the which salt is suitable for mobilephase
what is the structure of DOWEX-50
What is the calibration of uv process and preparation
how will you do the prep for unstable componds?
Why perchloric acid used for potentiometric titration
iam usig ph buffers merk. manually how to prepare ?
Identify problem faced when mass spectroscopy is used with HPLC system ?
how to calculate corelation coefficient in G.C Calibration? what is the calculation part?
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
Tell me something about Vitamin A test method by HPLC
WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?
what is peak purity and its formula
A ha tc is actual defination of retention time?
how to calibrate hplc & gc
function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?