ISO 1391-4:1976
Paraformaldehyde for industrial use — Methods of test — Part 4: Determination of water-insoluble matter
Paraformaldehyde for industrial use — Methods of test — Part 4: Determination of water-insoluble matter
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 1
- Дата публикации:
- 1 декабря 1976 г.
- Издание:
- ISO IS 1391 edition 1 version 1
- ICS:
- 71.080.80
The principle of the procedure consists in the dissolution of a test sample in a highly diluted sodium hydroxide solution, filtration by using a tared filter crucible, drying of the residue at (100 2) °C. Determination of the in water insoluble substances by differences. - ISO 1391, Parts 1 to 4, replace ISO Recommendation R 1391-1970.
Технические детали
- Технический комитет
- ISO/TC 47 - Chemistry
- SKU
- ISO 1391-4:1976
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