What is diffrence between residue on ignition and sulphated
ash?

Answer Posted / gaurav

residue on ignition means sample is ignited at high
temperature and the remaining is the ash.
Sulphated ash means in the above ash add conc.sulphuric acid
and again ignite at high temperature.

Is This Answer Correct ?    59 Yes 17 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

about method developement in hplc

1220


In which situation we require to prepare the standard solution from sample in Related substance method?

288


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

365


How do we fix the sample concentaryion in hplc method development?

671


why cone formation during dissolution?

325






Tell me about analytical method validation in QC

5550


in which situation ion pair agent require to use?

273


what are the standard methods for HPLC?

2247


Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?

2145


in OSD forms require to use gas chromatography?

334


How can I develope method of dissolution by HPLC OR UV

1893


Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .

462


what is diffrence between specificity and selecivity?

317


process of Diclofenac sodium,IP.

1677


What is a difference between potency and purity?

643