Published
Incineration of a test portion, in the presence of sulphuric acid, at a temperature of 525 25 °C. The result is expressed as a percentage by mass either of the product as received or on dry basis.
PUBLISHED
ISO 5809:1982
90.20
Standard under periodical review
Jan 15, 2026
Starches and derived products - Determination of sulphated ash
95.99 Withdrawal of Standard
Starches and derived products - Determination of sulphated ash
90.93 Standard confirmed
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