Ash in Raw Sugar by Single Sulphation – Official

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ICUMSA Method GS1-10 (1998)

online version (2 years license)

Year of Publication: 1998


This method is suitable for the determination of the ash content of raw sugar for samples with ash levels below 0.05 g/100 g.

Sulphation of the sugar is undertaken prior to ignition at 525 °C – results are expressed as sulphated ash.

The absolute difference between two results obtained under repeatability conditions should not be greater than 0.030 g/100 g and under reproducibility conditions not greater than 0.054 g/100 g.

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Method Abstract


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Additional information


ICUMSA Method GS1-10 (1998)


online version (2 years license)