ISO 8799:1988 PDF
Surface active agents — Sulfated ethoxylated alcohols and alkylphenols — Determination of content of unsulfated matter
Surface active agents — Sulfated ethoxylated alcohols and alkylphenols — Determination of content of unsulfated matter
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 2
- Дата публикации:
- 31 марта 1988 г.
- Издание:
- ISO IS 8799 edition 1 version 1
- ICS:
- 71.100.40
From a methanolic solution of the test portion, the unsulfated matter is separated on an ion-exchange column (filled with a mixture of cation-exchange resins and anion-exchange resins). The unsulfated matter is recovered from the eluate by evaporation and weighing of the residue.
Технические детали
- Технический комитет
- ISO/TC 91 - Surface active agents
- SKU
- ISO 8799:1988
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