Define alum?

1150

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

916

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?

2823

HPLC in sequences analysis was taken wrong method and one blank & Standard is running so what to do

1315

why Nacl solution called as brine solution?

3851

What is molar conductivity?

1108

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

978

how to calculate elemental impurities?

1093

why does used dry caffien in HPLC calibration?

2089

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

1695

Do all explosions produce carbon dioxide or carbon monoxide?

1173

What is si unit of viscosity-coefficient?

1173

we can use expired sample for validation and analyst qualification?

868

In BP2013, Loperamid HCl monograph. Assay by titration with 0.1N sodium hydroxide using hydrocloric acid 0.01N and reading the volume added between the 2 points of inflexion. I have a question that if the diluent solvent is ethanol is certainly consumed a amount of volume of titrant, so this volume must be eliminated on the result calculation or not apart from first point which is subtracted above.

3193

why are measure gas flow " ml " in Gas chromatography

1710