ISO 659:2009 PDF
Oilseeds — Determination of oil content (Reference method)
Oilseeds — Determination of oil content (Reference method)
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 12
- Дата публикации:
- 23 июня 2009 г.
- Издание:
- ISO IS 659 edition 4 version 1
- ICS:
- 67.200.20
ISO 659:2009 specifies a reference method for the determination of the hexane extract (or light petroleum extract), called the “oil content”, of oilseeds used as industrial raw materials. The procedure for sunflower seed is different from those for other seeds as it includes an additional moisture content determination after the seed has been ground to prepare the test sample. The method has been tested on rapeseed, soya beans and sunflower seed. This does not, however, preclude its applicability to other commercial seeds. If required, the pure seeds and the impurities can be analysed separately. In the case of groundnuts, the pure seeds, the total fines, the non-oleaginous impurities and the oleaginous impurities can be analysed separately.
Abstract
Overview
ISO 659:2009 - "Oilseeds - Determination of oil content (Reference method)" specifies a laboratory reference procedure for determining the hexane extract (oil content) of oilseeds used as industrial raw materials. The method has been validated on rapeseed, soybeans and sunflower seed but is applicable to other commercial oilseeds. A special subprocedure applies to sunflower seed, which requires an additional moisture determination after grinding.
Key topics and technical requirements
- Scope: Reference (gravimetric) determination of oil extracted with technical hexane or light petroleum (hexane extract = “oil content”).
- Solvent specification: Technical hexane / light petroleum - mainly C6 hydrocarbons; specified distillation ranges and low bromine value; residue on evaporation ≤ 2 mg/100 ml.
- Principle: Extract oil from a defined test portion using an appropriate extractor, evaporate solvent and weigh the extract.
- Apparatus: Analytical balance (±0.001 g), mechanical mills and microgrinders (producing
Технические детали
- Технический комитет
- ISO/TC 34/SC 2 - Oleaginous seeds and fruits and oilseed meals
- SKU
- ISO 659:2009
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