ISO 1871:1975
Agricultural food products — General directions for the determination of nitrogen by the Kjeldahl method
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
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
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