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What is diffrence between residue on ignition and sulphated
ash?
- 37 Answers
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Answer / govindaraju.t
residue on ignition as per usp
sulphated ash means asper IP
AS PER USP ROI MEANS WE WILL KEEP AT 800°AND SULPHATED ASH
MEANS WE WLLL KEEP AT 600°BOTH WILL BE THE SAME BUT
CONDITIONS WILL BE DIFFERENT
| Is This Answer Correct ? | 3 Yes | 11 No |
Answer / gangadhar
If we ignite the compound directly in muffle furnace then
the formed residue is called residue on ignition.but if we
ignite the compound after addition of sulphuric acid,the
the formed residue is called sulphated ash.
| Is This Answer Correct ? | 4 Yes | 13 No |
Answer / saji
Residue on ignition and sulphate ash is remaining same
except ignition temperature.
As per USP it is Residue on ignition(Ignited at 800°C +/-
25°C)
As per BP and EP it is called as Sulphate ash (ignition
temperature of 600°C +/- 50°C).
| Is This Answer Correct ? | 7 Yes | 18 No |
Answer / m
Both are same only terminology is different USP says
Sulphated ash and BP says residue on ignition
| Is This Answer Correct ? | 80 Yes | 97 No |
Answer / mr. bujji reddy kanchi
BOTH ARE SAME. THERE IS NO CONFUSION.JUST TERMINOLOGY
DIFFERENCE.
USP SPEAKS RESIDUE ON IGNITION
IPO SPEAKS SULPHATED ASH.
ANALYTICAL METHOD IS SAME
| Is This Answer Correct ? | 27 Yes | 44 No |
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