总氮检测

NF U42-503-2010 肥料.用两种不同方法测定只作为五价氮、氨和脲氮中含有氮的肥料中总氮含量

Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods.

NF A06-555-2010 钢.总氮量测定.光谱光度测量方法

Steel - Determination of nitrogen content - Spectrophotometric method.

DIN EN 15750-2010 肥料.用两种不同的方法对含氮磷钾的肥料,如氮,氨和尿素氨,总氮含量的测定.德文版本EN 15750-2009

This document specifies two different methods (Methods A and B) for the determination of the total nitrogen content in fertilizers. Method A specifies

Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009

DIN SPEC 1138-2010 食品.根据杜马原则通过燃烧对总氮含量的测定和粗蛋白含量的计算.第2部分:谷物、豆类和碾磨谷物产品(CEN ISO/TS 16634-2-2009).德文版本CEN ISO/TS 16634-2009

This Technical Specification specifies a method for the determination of the total nitrogen content according to Dumas and the calculation of crude

Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products (ISO/TS 16634-2:2009); German version CEN ISO/TS 1

BS EN 15750-2009 肥料.用两种不同方法测定只作为氮、氨和脲氮的含有氮肥料中总氮含量

This European Standard specifies two different methods (Methods A and B) for the determination of the total nitrogen content in fertilizers. Method

Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

GB/T 8572-2010 复混肥料中总氮含量的测定 蒸馏后滴定法

本标准规定了复混肥料中总氮含量的测定方法。 本标准不适用于含有机物(除尿素、氰氨基化合物外)大于7%的复混肥料

Determination of total nitrogen content for compound fertilizers titrimetric method after distillation

NY/T 1977-2010 水溶肥料 总氮、磷、钾含量的测定

本标准规定了水溶肥料总氮、磷、钾含量测定的试验方法。 本标准适用于液体或固体水溶肥料中总氮、磷、钾含量的测定

Water-suluble fertilizers-Determination of total nitrogen, phosphorus and potassium content

ASTM D2973-22 泥炭材料中总氮的标准试验方法

Standard Test Method for Total Nitrogen in Peat Materials

T/CHES 15-2017 水质 总氮的测定 气相分子吸收光谱法

本标准规定了利用气相分子吸收光谱法测定水中的总氮

KS M ISO 15672-2007(2022) 橡胶和橡胶添加剂-使用自动分析仪测定总氮含量

Rubber and rubber additives－Determination of total nitrogen content using an automatic analyser

ASTM D3228-08(2019) 用改进的凯氏法测定润滑油和燃料油中总氮的标准试验方法

Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method

KS M ISO 15672-2007(2017) 橡胶和橡胶添加剂用自动分析仪测定总氮含量

Rubber and rubber additives－Determination of total nitrogen content using an automatic analyser

水和废水监测分析方法 3.3.9-2003 第三篇 综合指标和机污染物 第三章 营养盐及有机污染综合指标 九 总氮

水和废水监测分析方法

DB22/T 1932-2013 泥炭总氮含量测定方法（凯氏定氮法）

GB 9170-1988 润滑油及燃料油中总氮含量测定法(改进的克氏法)

NF U42-503-2010 肥料.用两种不同方法测定只作为五价氮、氨和脲氮中含有氮的肥料中总氮含量

Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods.

NF A06-555-2010 钢.总氮量测定.光谱光度测量方法

Steel - Determination of nitrogen content - Spectrophotometric method.

DIN EN 15750-2010 肥料.用两种不同的方法对含氮磷钾的肥料,如氮,氨和尿素氨,总氮含量的测定.德文版本EN 15750-2009

This document specifies two different methods (Methods A and B) for the determination of the total nitrogen content in fertilizers. Method A specifies

Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009

DIN SPEC 1138-2010 食品.根据杜马原则通过燃烧对总氮含量的测定和粗蛋白含量的计算.第2部分:谷物、豆类和碾磨谷物产品(CEN ISO/TS 16634-2-2009).德文版本CEN ISO/TS 16634-2009

This Technical Specification specifies a method for the determination of the total nitrogen content according to Dumas and the calculation of crude

Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and milled cereal products (ISO/TS 16634-2:2009); German version CEN ISO/TS 1

BS EN 15750-2009 肥料.用两种不同方法测定只作为氮、氨和脲氮的含有氮肥料中总氮含量

This European Standard specifies two different methods (Methods A and B) for the determination of the total nitrogen content in fertilizers. Method

Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

GB/T 8572-2010 复混肥料中总氮含量的测定 蒸馏后滴定法

本标准规定了复混肥料中总氮含量的测定方法。 本标准不适用于含有机物(除尿素、氰氨基化合物外)大于7%的复混肥料

Determination of total nitrogen content for compound fertilizers titrimetric method after distillation

NY/T 1977-2010 水溶肥料 总氮、磷、钾含量的测定

本标准规定了水溶肥料总氮、磷、钾含量测定的试验方法。 本标准适用于液体或固体水溶肥料中总氮、磷、钾含量的测定

Water-suluble fertilizers-Determination of total nitrogen, phosphorus and potassium content

ASTM D2973-22 泥炭材料中总氮的标准试验方法

Standard Test Method for Total Nitrogen in Peat Materials

T/CHES 15-2017 水质 总氮的测定 气相分子吸收光谱法

本标准规定了利用气相分子吸收光谱法测定水中的总氮

KS M ISO 15672-2007(2022) 橡胶和橡胶添加剂-使用自动分析仪测定总氮含量

Rubber and rubber additives－Determination of total nitrogen content using an automatic analyser

ASTM D3228-08(2019) 用改进的凯氏法测定润滑油和燃料油中总氮的标准试验方法

Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method

KS M ISO 15672-2007(2017) 橡胶和橡胶添加剂用自动分析仪测定总氮含量

Rubber and rubber additives－Determination of total nitrogen content using an automatic analyser

水和废水监测分析方法 3.3.9-2003 第三篇 综合指标和机污染物 第三章 营养盐及有机污染综合指标 九 总氮

水和废水监测分析方法

DB22/T 1932-2013 泥炭总氮含量测定方法（凯氏定氮法）

GB 9170-1988 润滑油及燃料油中总氮含量测定法(改进的克氏法)