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

Answer Posted / ravi teja

To convert the inorganic metals into metal sulphates.

Is This Answer Correct ?    110 Yes 11 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?

319


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

1380


how to calculate elemental impurities?

555


How to determine the EDTA content by potentiometry titration in Ceftriaxine sodium

1993


Many times I don't got a caffeine peak in calibration of hplc using guard column ❓

1175






which are the diffrent batches in the pharmaceuticals?

353


can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?

1715


what is mean by covalidation

326


AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?

1613


What is mean by PDR?

335


What is the difference between chromatographic purity and related substances?

795


how the compound separate in coulunm,explain

1949


Loss of linearity in tkn analysis, possible reasons?

810


which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc

1733


Please give idea about method development for cleaning method and how maco level establish

279