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Topic: assay on anydrous basis and assay on dried basis  (Read 29883 times)

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Offline garima

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assay on anydrous basis and assay on dried basis
« on: August 17, 2009, 10:01:42 AM »
Dear all.
I am looking for an answer to this question when we say that 99.1% assay on anhydous basis or 99.1% assay on dried basis.If anyone can help with the calculations also then it will be great.
With Regards
Garima

Offline JGK

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Re: assay on anydrous basis and assay on dried basis
« Reply #1 on: August 17, 2009, 09:06:59 PM »
The only difference that could be made between the statements is as follows:


xx.x% purity on anhydrous basis implies that only the water content has been taken into account.

xx.x% on a dried basis implies that the material will have had all possible liquid impurities (water, solvents, residual liquid chemicals) removed by the drying process.

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