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 | 24 No |
how much wave length of Soduim vapour lamp used in polarimeter
2 Answers Reddy Labs, Torrent Pharma,
What does theoretical plates number mean?
what are peak purity,peak purity index,peak thresold
why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space
How can the GC or HPLC method is selected to determine the impurity profile in drug product?
During Validation study, Recovery is passing at all levels but Linearity is failing. Justify?
1 Answers Mylan, Torrent Pharma,
In standard weight box used for calibration of analytical balance there are two numbers (Qty) of 20mg, 200mg,2.oGM weights. Why?
whai is primary standard?
Why we have to take 42gm of sodium hydroxide instead of 40gm for preparation of 1M Sodium hydroxide as per Pharmacopia? Whether it means the formula for calculating molarity was wrong?
5 Answers Claris Otsuka, Ranbaxy,
If we have 5 strength which is not dose proportinate and excipients also diffrent in each strength then how we can proceed for Force degradation? and excipient are same but not dose propotinate the how FD?
what is the balance drift?
According to ICH,India is coming under which climatic zones?
Organic Chemistry 
