ISO 4099:1984 PDF
Cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and photometry
Cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and photometry
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 6
- Дата публикации:
- 1 сентября 1984 г.
- Издание:
- ISO IS 4099 edition 2 version 1
- ICS:
- 67.100.30
Describes a method suitable for hard, semi-hard and soft cheeses of various ages and for processed cheese. The principle is based on extraction of the cheese with warm water, precipitation of the fat and proteins, filtration and reduction of the nitrate in a portion of the filtrate to nitrite by means of copperized cadmium. The detection limits of the method are 5 mg of nitrate per kilogram and 0,5 mg of nitrite per kilogram.
Технические детали
- Технический комитет
- ISO/TC 34/SC 5 - Milk and milk products
- SKU
- ISO 4099:1984
Похожие стандарты
Другие стандарты ISO