现行

ISO 14891-2002

Milk and milk products — Determination of nitrogen content — Routine method using combustion according to the Dumas principle
牛奶和奶制品——氮含量的测定——根据Dumas原理使用燃烧的常规方法

2002-03-07

现行

BS 1741-5.2-1990

Methods for chemical analysis of liquid milk and cream. Determination of the nitrogen content of liquid milk-Routine method
液态奶和奶油的化学分析方法 液态奶中氮含量的测定

1990-09-28

现行

DIN EN ISO 14891

Milk and milk products - Determination of nitrogen content - Routine method using combustion according to the Dumas principle (ISO 14891:2002)
乳和乳制品.氮含量的测定.根据Dumas原理使用燃烧的常规方法（ISO 14891-2002）；德文版EN ISO 14891:2002

2002-07-01

现行

GOST R 55246-2012

Молоко и молочные продукты. Определение содержания небелкового азота с применением метода Кьельдаля
牛奶和奶制品 通过凯氏定氮法测定非蛋白质氮含量

现行

BS 1741-6.2-1990

Methods for chemical analysis of liquid milk and cream. Determination of casein nitrogen content of liquid milk-Routine method
液态奶和奶油的化学分析方法 液态奶中酪蛋白氮含量的测定

1990-09-30

现行

BS 1742-5.2-1991

Methods for chemical analysis of condensed milks. Determination of nitrogen content-Routine method
浓缩乳的化学分析方法 氮含量的测定

1991-07-31

现行

BS EN ISO 8968-1-2014

Milk and milk products. Determination of nitrogen content-Kjeldahl principle and crude protein calculation
牛奶和奶制品 氮含量的测定

2014-02-28

现行

BS EN ISO 8968-4-2016

Milk and milk products. Determination of nitrogen content-Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
牛奶和奶制品 氮含量的测定

2017-02-28

现行

GB/T 21704-2008

乳与乳制品中非蛋白氮含量的测定
Determination of non-protein-nitrogen content in milk and dairy products

2008-04-09

现行

ISO 8968-4-2016

Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
牛奶和奶制品氮含量的测定第4部分:蛋白质和非蛋白质氮含量的测定和真蛋白质含量的计算（参考方法）

2016-04-04

现行

BS ISO 8968-3-2004

Milk. Determination of nitrogen content. Block-digestion method (Semi-micro rapid routine method)
牛奶氮含量的测定 块消化法（半微量快速常规法）

2004-09-09

现行

BS EN ISO 8968-3-2007

Milk. Determination of nitrogen content-Block-digestion method (Semi-micro rapid routine method)
牛奶氮含量的测定 块消化法（半微量快速常规法）

2007-08-31

现行

ISO 8968-1-2014

Milk and milk products — Determination of nitrogen content — Part 1: Kjeldahl principle and crude protein calculation
牛奶和奶制品——氮含量的测定第1部分:凯氏原理和粗蛋白质计算

2014-02-03

现行

BS EN ISO 14673-2-2004

Milk and milk products. Determination of nitrate and nitrite contents-Method using segmented flow analysis (Routine method)
牛奶和奶制品 硝酸盐和亚硝酸盐含量的测定 采用分段流量分析法（常规法）

2004-03-19

现行

ISO 14673-2-2004

Milk and milk products — Determination of nitrate and nitrite contents — Part 2: Method using segmented flow analysis (Routine method)
牛奶和奶制品——硝酸盐和亚硝酸盐含量的测定SPART 2:分段流动分析法（常规法）

2004-02-02

现行

ISO 8968-3-2004

Milk — Determination of nitrogen content — Part 3: Block-digestion method (Semi-micro rapid routine method)
牛奶和牛奶；氮含量的测定第3部分:分段消化法（半微量快速常规法）

2004-09-01

现行

DIN EN ISO 8968-4

Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016)
乳和乳制品.氮含量的测定.第4部分:蛋白质和非蛋白质氮含量的测定和真实蛋白质含量的计算（参考法）（ISO 8968-4-2016）

2016-09-01

现行

BS EN ISO 14675-2003

Milk and milk products. Guidelines for a standardized description of competitive enzyme immunoassays. Determination of aflatoxin M₁ content
牛奶和奶制品 竞争性酶免疫分析的标准化描述指南 黄曲霉毒素M₁含量的测定

2003-04-29

现行

BS EN ISO 14673-3-2004

Milk and milk products. Determination of nitrate and nitrite contents-Method using cadmium reduction and flow injection analysis with in-line dialysis (routine method)
牛奶和奶制品 硝酸盐和亚硝酸盐含量的测定 镉还原流动注射在线透析分析法（常规法）

2004-03-19

现行

DIN EN ISO 14673-2

Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method) (ISO 14673-2:2004)
乳和乳制品.硝酸盐和亚硝酸盐含量的测定.第2部分:分段流动分析法（常规法）（ISO 14673-2-2004）；德文版EN ISO 14673-2:2004

2004-05-01