ISO 2752:1973 PDF
Urea for industrial use — Measurement of the variation of pH in the presence of formaldehyde — Potentiometric method
Название (английский):
ISO 2752:1973
Urea for industrial use — Measurement of the variation of pH in the presence of formaldehyde — Potentiometric method
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 2
- Дата публикации:
- 1 декабря 1973 г.
- Издание:
- ISO IS 2752 edition 1 version 1
- ICS:
- 71.080.30
Описание (английский):
Specifies the principle of measurement, at (20 0.5) 0C, of the quantity of 0.01 N sodium hydroxide standard volumetric solution required to take the pH of a solution containing 50 g of sample in 100 ml of water to a pH of 8.3 after addition of formaldehyde. Has also been approved by the IUPAC.
Технические детали
- Технический комитет
- ISO/TC 47 - Chemistry
- SKU
- ISO 2752:1973