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

why we are using benzene, anyline in acetic anhdride assay titration method?

1575


on saturation solubility study data how we can find out the bcs class of drug?

359


For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?

3493


Did anybody have method for acetyl cysteine effervescnce tablet

1808


how will you do the prep for unstable componds?

1437






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?

2342


why we use glass fiber filters use in some situation?

322


how much mass should be there in volumetric flask while in preparation of sample for assay? 

2058


HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.

1733


How doing qbd practically?

427


In which situation we require to analytical method validation of excipient?

292


WHAT IS THE USE OF STARTER ?????????

1907


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

1617


what is mean by dissolution biowaiver study?

326


What is the requirement for brazil in the analytical method vslidation comparr to ich?

272