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What is diffrence between residue on ignition and sulphated
ash?
- 37 Answers
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Answer / afzal khan
amount of residual substance not volatilised from the
sample when sample is ignited in presence of sulfuric acid.
So both the test are usually used to determining the
content of inorganic impurities in organic substanance.
| Is This Answer Correct ? | 4 Yes | 0 No |
Answer / ashish dubey
BOTH ARE SAME IN PROCESSES
sulphated ash determine used sulphuric acid for treatment
but
loss on ignition no treatment COMPULSORY.
| Is This Answer Correct ? | 4 Yes | 0 No |
Both are same
sulphated ash BP & IP Method 600°C
residue on ignition USP method 800°C
| Is This Answer Correct ? | 8 Yes | 4 No |
Answer / poojitha
Both are same what remains after ignition is nothing but
sulphated ash
| Is This Answer Correct ? | 73 Yes | 70 No |
Answer / v.n.sudhakar reddy
Both are same USP Terminology is Residue on ignition and
E.P Terminology is Sulphated ash.
| Is This Answer Correct ? | 7 Yes | 4 No |
Answer / subhash
Residue on ignition & sulphated ash both are the same but in sulphated ash sulphated complex are remain is called residue
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / sanjay kumar
residue of ignition and sulphated ash terminology is same
but as ignition time no sulphuric acid is add during
ignition test
but in sulphated ash first ignite the sample at suitable
temperatur then added 1 ml sulphuric acid & ignite suitable
temperature as per IP,BP&USP
| Is This Answer Correct ? | 4 Yes | 1 No |
Answer / k.pradeep
residue on ignition and sulphate ash has small
difference(although similar) that is in sulphate ash we use
sulfuric acid where stable inorganic sulphates are formed
stable at high temp........... without sulfuric acid if we
ignite it is residue on ignition
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / kamlesh patel
Both are same.onlyb terminology difefers,
As per USP terninology residual on ignition and as per BP
terminology sulphated ash
| Is This Answer Correct ? | 4 Yes | 1 No |
Answer / syed mastan
Both are same but termnology is difference
As per USP-Residue on ignition
As per Bp-Sulphated ash
| Is This Answer Correct ? | 5 Yes | 2 No |
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5 Answers Cipla, Flamingo Pharmaceuticals,
Organic Chemistry 
