ISO 2489:1973 PDF
Potassium sulphate for industrial use — Determination of acidity to methyl orange
Название (английский):
ISO 2489:1973
Potassium sulphate for industrial use — Determination of acidity to methyl orange
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 1
- Дата публикации:
- 1 апреля 1973 г.
- Издание:
- ISO IS 2489 edition 1 version 1
- ICS:
- 71.060.50
Описание (английский):
The principle of the analysis consists in dissolution of the test solution in water and titration of the acidity, in presence of methyl orange, using standard volumetric sodium hydroxide solution. If the solution is coloured yellow the product is not acid with respect to methyl orange.
Технические детали
- Технический комитет
- ISO/TC 47 - Chemistry
- SKU
- ISO 2489:1973