Learn scientific techniques and practical tips and tricks, which will help you to improve the output of your experiment particular in Analytical chemistry, Organic chemistry, and physical chemistry
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Sulphate Ash- (Wet lab Calculator)
It is very easy to work in In – Process calculation, Raw Material and Finished Product Calculation.
Sulphate Ash Calculator covered
Very Easy to for Calculation
Formula sulphate ash
User bettor Understanding
Interview Questions and answer
Pharmaceutical company Regarding Question and Answer Coverd
What is Sulfated Ash ?
Sulfated ash is one of the test to perform in the pharmaceutical industry.
The test is performed to measure, when the substance is ignited at a certain temperature is Volatized or not
What is the difference between residue on ignition and sulfated ash?
– Both are the same USP Terminology is Residue on ignition
– E.P Terminology is Sulphated ash.
Type of Ash?
– Total Ash (Method A give Detail )
– Acid-insoluble ash (Method C A give Detail)
– Water-soluble ash (Method D A give Detail)
Accurately weigh about 1-2 gm of substance in the dry suitable crucible (Usually platinum crucible is used).
Using gentle heat,
remove any excess sulfuric acid, ignite at about 800 °C until all the black particles are gone, and moisten again with sulfuric acid (1760 g/l) TS.
Then add a little ammonium carbonate R and ignite the mixture to constant weight
What is Sulfated Ash
Sulphated ash is one of the tests performed in the pharmaceutical industry.
The test is performed to measure when the substance is ignited at a certain temperature is it volatized or not.
The sulfated ash is used to determine the inorganic impurities present in the substance.
As per USP, General chapter <281> represents Residue on Ignition.
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