ISO 731-2:1977 PDF
Formic acid for industrial use — Methods of test — Part 2: Determination of total acidity — Titrimetric method
Formic acid for industrial use — Methods of test — Part 2: Determination of total acidity — Titrimetric method
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 2
- Дата публикации:
- 1 февраля 1977 г.
- Издание:
- ISO IS 731 edition 1 version 1
- ICS:
- 71.080.40
The principle consists in a titration of a test portion with a standard volumetric sodium hydroxide solution, using phenolphthalein as indicator. ISO/R 731 has been subdivised into seven parts. ISO 731/2 replaces clause 3 of ISO Recommendation R 731-1968.
Технические детали
- Технический комитет
- ISO/TC 47 - Chemistry
- SKU
- ISO 731-2:1977
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