ISO 6739:1988 PDF
Whey cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and spectrometry
Whey cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and spectrometry
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 6
- Дата публикации:
- 25 августа 1988 г.
- Издание:
- ISO IS 6739 edition 2 version 1
- ICS:
- 67.100.30
Is suitable for all kinds of whey cheese. The principle of determination consists in extracting the whey cheese with warm water, precipitating the fat and proteins, filtering and reducing the nitrate in a portion of the filtrate to nitrite by means of copperized cadmium. The apparatus for nitrate reduction is shown in a figure.
Технические детали
- Технический комитет
- ISO/TC 34/SC 5 - Milk and milk products
- SKU
- ISO 6739:1988
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