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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?
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Answer / varsha
L1 is octadecyl silane (ODS) bonded with prus silica whereas L7 is tha Octyl silane
| Is This Answer Correct ? | 21 Yes | 25 No |
why in hplc peaks are in positive side(it means upside) not in negative side?
iam using ph instrument lab india make.3ponit and 5point.in calibration time 3point slope will come 98.89and 96.87.that limit is 85 to 105.what basis slope will come.any calucalation between them.5point wiicome slope 99.89?why 3p0int came 2 values
Why used 0.02% v/v solution of toluene in hexane for calibration of UV.
How to choose concentration of LOQ solutions for RS analysis? Example.
1 Answers Abbott, Indoco Remedies,
how require to select dissolution media? what is discrimination?
What is the difference between ROI & sulphates ash?
why we multiply 1000 in the determination of kf factor ?
3 Answers Stellence Pharm Science,
stability study is going on up to 3years for famotidine-USP but the pharmacopeia is revised and tlc test is replaced with hplc test. At the 4th year frequency the product is failed in hplc test .how can i assain the expiry or retest date and can i stop or continue the programme?
What is boiling point ? & Explain.
What is delay volume?
Why red HgI2 added during starch preparation?
what is the extinction coefficient for Indomethacin or at 319nm wave length.
0 Answers GSK GlaxoSmithKline,
Organic Chemistry 
