SCHEDULED MAINTENANCE
The method of determining thiamine that involves the purification by base-exchange on sand, is satisfactory for materials of the “breakfast cereal” type. Traces of materials responsible for errors in the direct determination remain after treatment, but the errors are greatly reduced and oppose one another, so that they may reasonably be neglected.
H. N. Ridyard, Analyst, 1966, 91, 328 DOI: 10.1039/AN9669100328
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