ISO 2888:1973 PDF
Furfural for industrial use — Determination of acidity to phenolphthalein — Volumetric method
Furfural for industrial use — Determination of acidity to phenolphthalein — Volumetric method
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 2
- Дата публикации:
- 1 декабря 1973 г.
- Издание:
- ISO IS 2888 edition 1 version 1
- ICS:
- 71.080.80
Pretreatment of the water used, freshly boiled and cooled, by neutralization by addition of the standard volumetric sodium hydroxide solution or sulphuric acid solution as required. Addition of the test portion and titration with the standard volumetric sodium hydroxide solution in presence of phenolphthalein as indicator until the apperance of a pale pink colour.
Технические детали
- Технический комитет
- ISO/TC 47 - Chemistry
- SKU
- ISO 2888:1973
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