Why we are injecting low load standard conc. while analysing Related Substances by HPLC?

Answer Posted / ravi kumar tummala

yes, we r injecting std injection at low concentrtion,one reason is impurity specification level and another one is to calculate the imp's against std area.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how the compound separate in coulunm,explain

1943


using gradient pressure in gas chromatography are not ?using gradient pressure why

2933


Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6

2103


Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc

978


in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?

328






how require to select dissolution media? what is discrimination?

307


Why only 1.2 million lux hours require in photostability study?

456


what is procedure of actual procedure for registration of drug?

1450


pharma industries oriented

1681


can i use hplc detector to uplc and why?

1805


how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.

1833


How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.

3587


What is the principle of Thermal conductivity detector and FID?

2253


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

1663


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

638