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

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 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

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

UNE-EN ISO 8968-4-2002

Milk - Determination of nitrogen content - Part 4: Determination of non-protein nitrogen content. (ISO 8968-4:2001)
牛奶.氮含量的测定.第4部分:非蛋白质氮含量的测定 （ISO 8968-4-2001）

2002-07-29

现行

BS ISO 15323-2002

Dried milk protein products. Determination of nitrogen solubility index
奶粉蛋白质产品 氮溶解度指数的测定

2002-10-08

现行

ISO 15323-2002

Dried milk protein products — Determination of nitrogen solubility index
奶粉蛋白质产品——氮溶解度指数的测定

2002-09-26

现行

DIN 10472

Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
牛奶和奶制品中酪蛋白和乳清蛋白含量的测定.电泳法

1996-06-01

现行

DIN 10464

Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
牛奶和奶制品总蛋白中酪蛋白、酪蛋白和乳清蛋白含量的测定.酪蛋白磷法

1994-08-01

现行

GOST 23327-1998

Молоко и молочные продукты. Метод измерения массовой доли общего азота по Кьельдалю и определение массовой доли белка
牛奶和奶制品 通过凯氏定氮法测定总氮的质量 测定蛋白质质量

1998-11-12

现行

UNE-EN ISO 8968-5-2002

Milk - Determination of nitrogen content - Part 5: Determination of protein-nitrogen content. (ISO 8968-5:2001)
牛奶.氮含量的测定.第5部分:蛋白质氮含量的测定 （ISO 8968-5-2001）

2002-07-29

现行

DIN 10466

Determining the whey protein content of total protein in milk and dairy products by polarography
牛奶和奶制品总蛋白中乳清蛋白含量的测定.极谱法

2001-09-01

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

AS 2300.4.8-1994

Methods of chemical and physical testing for the dairying industry, Method 4.8: Dried milk and dried milk products - Determination of undenatured whey protein nitrogen (UDWPN) in dried skim milk
乳品工业的化学和物理试验方法 方法4.8:奶粉和奶粉制品-脱脂奶粉中未变性乳清蛋白氮（UDWPN）的测定

1994-12-05

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

UNE-EN ISO 14891-2002

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）

2002-10-30