What is diffrence between residue on ignition and sulphated
ash?
Answers were Sorted based on User's Feedback
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 |
What is excipient in drug product?
what r the parts calibrated in gc
ash or residue in that what will be there.
about analytical chemistry
How to decide the standard concentration for related substances hplc method
What is mean by PDR?
WHAT IS USE OF ION PAIR REAGENTS?
In Force degradation Study Compound is not degrade in any condition , also in higher stress what can i do ?
U have 4 strengths have different coating meterial which one u chose to do forced degradation stady in validation
Why noise test is performed at 254 nm in calibration of HPLC system?
in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?
why we use prednisone tablet in chemical callibration of dissolution apparatus?
6 Answers Cipla, Mylan, Umedica Laboratories,