The limit of detection is 5 mg/kg. The method consists in boiling a test portion successively with nitric acid solution and sodium hydroxide solution, washing and separation of the residue by decantation, drying, microscopical identification of fragments of oil seed husks and weighing. 7 figures show examples of the structure under low magnification.
WITHDRAWN
ISO 5061:1983
95.99
Withdrawal of Standard
May 16, 2002
PUBLISHED
ISO 5061:2002
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