Why sulfuric acid is used in sulphated ash / residue on
ignition test.

Answer Posted / vinod

sulphuric acid added in sample inorganic metal conver to sulphate and oxide

Is This Answer Correct ?    0 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

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

1627


Why use only methanol,used determinationof moisture content not use other solvents

897


What is intact assay method development.....?

2018


how to develop the icp ms method? Application of icp ms?

328


how you confirm the assay method?

299






if peak get problamatic then what require to do?

327


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

2119


which are the diffrent batches in the pharmaceuticals?

353


in each media we require to use SLS? how to proceed?

309


Why we check moisture,ash & AIA in product

1409


Loss of linearity in tkn analysis, possible reasons?

814


Related substance method equivalency on control sample or spiked sample?

314


What is aggregate and fragments in SEC?

1597


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.

2621


How much is the standard area for glc analysis

1761