Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

Dear Sir,
This is Thirunavukkarasu am working in Ordain Health Care
AR&D, Am Having one problem While doing method development
my question Metadoxine and Pyridoxine same chemical nature
and structural activity i tried lot of methods but Analyte
eluted same Retantion time i cant separate both peaks.
solubility, pH both are same only only difference melting
point metadoxine 210 C Pyridoxine 102 C please do the help
needful for me

Answer Posted / swathi

Once u can use hilic silica column ..mostly water %dont exceed 20% in gradient program otherwise phenyl column particle size 3micron..slow gradient ...flow rate decrease..and at which they are eluting there keep isocratic for 30 min
Is it the compounds are different?

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

In performance Check of GC Why Hexadecane Peak is Considered 

2989


what are the standard methods for HPLC?

2737


if tech transfer fails whay require to do?

776


What is aggregate and fragments in SEC?

2061


is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth

2108


please explain about aluminium hydroxide assay

1093


which batch require to use for analytical method validation?

749


why salisylic acid not using now days for disdolution calibration?

716


what is classification of elemental impurities? what is risk assement in elemental impurities?

709


In the isomers,enantiomers give the only physical properties present such that no chemical properties present.

2177


How would you decide dissolution medium for NCE compound of class I drug

2196


Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .

856


what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?

4422


how to set sample and standard concentration in RS method?

841


What is shaking level in GC?

741