what does 'n' stands for in spectroscopy?give the formula.1085
In the isomers,enantiomers give the only physical properties present such that no chemical properties present.965
mode of absorption in alimentary canal?1140
why we calibrate ph meter and balance daily.....but hplc and uv requires quaterly?5 14348
why we are use metthanol variously in kfr?why don't use other solutions?4 7921
what is the difference between IR and FTIR instrument analysis2 8484
how can give the expiry period and restadardisation of volumetric solution1282
for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol
How do we quantify crystaline and amarpous forms by using (NMR, XRD)spectroscopic techniques? Which any others instruments are useful for this quantification? explain
what is the structure of DOWEX-50
why are measure gas flow " ml " in Gas chromatography
Qc interview questions
How to start the dissolution development for unknown tab?
can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?
What is the difference between spectro meter and spectro photo meter?
some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?
What is aggregate and fragments in SEC?
In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?
why lactose has less charges when packed in steel containers when compared with packing of lactose in polyamide material?
Why to use propyl paraben in HPLC gradient calibration
Why potassium dichromate was using in Uv calibration?
explain 5 components of gas chromatography ?