What is the difference between Chromatograhic Purity And
Related substances

Answer Posted / pradosh sahoo

Chromatographic Purity means presence of unknown impurity, calculated by % area (area normalization method), where as Related Substance means the presence of both specified & unspecified impurity calculated against reference standard.

Is This Answer Correct ?    37 Yes 3 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 

2563


WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE

1622


how require to select dissolution media? what is discrimination?

321


WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY

2112


why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?

2350






in api coa contains only process impurities and in product coa contains degradation impurities?

325


How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?

283


Tell me something about Vitamin A test method by HPLC

2211


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

1670


How to establish relative response factor for hplc. Why it is required?

711


1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.

2431


UV and PDA detector, which have less signal to noise ratio?

652


how can give the expiry period and restadardisation of volumetric solution

2059


what is biorelivent dissolution media?

308


Why a1% value is used for some product ? What is the criteria for selection a1% value ?

1877