Answer Posted / satheesh kumar
In market,lot of columns are available few of them are
listed below-:
Columns,Bonded Phases Manufacturer
1)Symmetry C18,C8 Waters
2)X-Terra RP18,RP8 Waters
3)Sunfire columns Waters
4)X-Bridge Waters
5)Novapak C18,C8 Waters
6)YMC Pack C18,C8,CN,Silica YMC Japan
7)Phenomenex Gemini C18,LunaC18(2) Phenomenex
8)Zorbax SBC8,SBPhenyl,Eclipse Plus Agilent Technologies
9)Inertsil ODS3V,C8,Phenyl,C4 GL Science Corportn
10)Hypersil BDS C18 C8,Phenyl ThermoScientific
11)Devlosil ODS UG,HG,MG,C8 Nomura Chemical co
12)Kromasil C18,C8,Silica Akzo-Nobel
13)Prontosil C18,C8,Silica Bischoff
14)Nucleosil C18,C8,CN Sigma-Aldrich
15)Zodiac C18,C8,Silica,Phenyl Zodiac Life Sciences
| Is This Answer Correct ? | 6 Yes | 0 No |
Post New Answer View All Answers
USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...
If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately
In performance Check of GC Why Hexadecane Peak is Considered
We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy
how to develop the icp ms method? Application of icp ms?
In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )
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?
why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?
what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?
4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations
process of Diclofenac sodium,IP.
what is lod and loq ?,why use k2cr2o7 , kcl h2so4 in uv calibration ?,why use benzophenone & caffene acetone in hplc calibration ?,what is leading peak in hplc ?why we do the calibration of limit of stry light in hplc & uv ?
is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth
how much mass should be there in volumetric flask while in preparation of sample for assay?
why octanol used to determine the partition coefficient ?
