ISO 5994:1979 PDF
Sodium sulphate for industrial use — Determination of calcium content — Flame atomic absorption spectrometric method
Sodium sulphate for industrial use — Determination of calcium content — Flame atomic absorption spectrometric method
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 4
- Дата публикации:
- 1 сентября 1979 г.
- Издание:
- ISO IS 5994 edition 1 version 1
- ICS:
- 71.060.50
Specifies a method, the principle of which is based on acidification of a test portion with hydrochlorid acid, aspiration of the test solution into an acetylene-dinitrogen monoxide or acetylene-air-flame, and measurement of the absorption of the 422,7 nm line emitted by a calcium hollow-cathode lamp.
Технические детали
- Технический комитет
- ISO/TC 47 - Chemistry
- SKU
- ISO 5994:1979