ISO 1871:1975 PDF
Agricultural food products — General directions for the determination of nitrogen by the Kjeldahl method
Название (английский):
ISO 1871:1975
Agricultural food products — General directions for the determination of nitrogen by the Kjeldahl method
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 7
- Дата публикации:
- 1 декабря 1975 г.
- Издание:
- ISO IS 1871 edition 1 version 1
- ICS:
- 67.050
Описание (английский):
Application to products containing only nitrogenous copounds which are directly determinable by the Kjeldahl method. The method consists in destructing of organic matter by sulphuric acid in the presence of a catalyst, rendering of the reaction product alkaline, distillation and titration of the liberated ammonia.
Технические детали
- Технический комитет
- ISO/TC 34 - Food products
- SKU
- ISO 1871:1975