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...

whai is primary standard?

Answer Posted / narasaiah aurobindo

It must be purity,and impurities are not exceed 0.02 to
0.05%.it should not be hygroscopic and not oxidised by
air.under drying condition it will be stable.during the
storage condition its chemical structure should not be changed.

Is This Answer Correct ?    6 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Why we used in n-butyl acetate water content terminology while in ethyl acetate we used moisture content terminology?

1866


what is mean by covalidation

788


please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development

1642


what is procedure of actual procedure for registration of drug?

2012


[3/28, 20:52] Manoj P Venkatpurwar: how many impurities require to inject in assay specificity that how we can find out? and in Rs also how?

798


In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?

932


effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?

936


if your impurity coeluting with each other in that situation how require to set specification? is it acceptable?

991


What is stray light in uv what are units for stray light

1657


how can I make the copper get white bye any salt or acit?

2215


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 ?

2659


which are the diffrent batches in the pharmaceuticals?

826


what is the disso medium for tropsiun chloride

2269


how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,

2611


We use hicrome 10 cxs column in hplc analysis....pls tell me.. what is the meaning of 10 cxs?

1725