现行

NY/T 2542-2014

肥料 总氮含量的测定
Fertilizers - Determination of total nitrogen content

2014-03-24

现行

ASTM D8001-16e1

Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
通过计算测定总氮 总凯氏氮素的标准测试方法和水中的总磷 离子色谱法测定的废水

2016-07-15

现行

GB/T 24318-2009

杜马斯燃烧法测定饲料原料中总氮含量及粗蛋白质的计算
Determination of total nitrogen content in animal feeding stuffs by combustion according to the dumas principle and calculation of the crude protein content

2009-09-30

现行

BS 4267-2-1988

Ammonium nitrate-Method for determination of total nitrogen content
硝酸铵

1988-07-29

现行

GB/T 2441.1-2008

尿素的测定方法 第1部分：总氮含量
Determination of urea - Part 1：Total nitrogen content

2008-06-17

现行

GB/T 40723-2021

橡胶 总硫、总氮含量的测定 自动分析仪法
Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method

2021-10-11

现行

BS EN ISO 16948-2015

Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen
固体生物燃料 碳、氢和氮总含量的测定

2015-05-31

现行

KS M ISO 16948

고형 바이오연료 — 탄소, 수소 및 질소 함량 측정
固体生物燃料.碳、氢和氮总含量的测定

2021-07-12

现行

ISO 16948-2015

Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen
固体生物燃料 - 碳 氢和氮总含量的测定

2015-05-11

现行

GB/T 42955-2023

肥料中总氮含量的测定 杜马斯燃烧法
Determination of total nitrogen content for fertilizers—Dumas combustion method

2023-08-06

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

BS EN ISO 16634-1-2008

Food products. Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content-Oilseeds and animal feeding stuffs
食品 根据Dumas原理通过燃烧测定总氮含量并计算粗蛋白质含量

2008-11-30

现行

BS 5551-4.1.3-1986

Fertilizers. Chemical analysis. Determination of nitrogen-Method for determination of total nitrogen content (titrimetric method after distillation)
肥料 化学分析 氮的测定 总氮含量的测定方法（蒸馏后滴定法）

1986-07-31

现行

ISO 20483-2013

Cereals and pulses — Determination of the nitrogen content and calculation of the crude protein content — Kjeldahl method
谷物和豆类——氮含量的测定和粗蛋白质含量的计算——凯氏法

2013-11-19

现行

GB/T 10511-2008

硝酸磷肥中总氮含量的测定 蒸馏后滴定法
Determination of total nitrogen content for nitrophosphate - Titrimetric method after distillation

2008-06-17

现行

YB/T 4582.7-2017

氮化硅铁 全氮含量的测定 中和滴定法
Ferrosilicon nitride-Determination of total nitrogen content-Neutralization titration method

2017-07-07

现行

GB/T 23835.12-2009

无水高氯酸锂 第12部分：总氮含量测定
Lithium perchlorate anhydrous - Part 12: Determination of total nitrogen content

2009-05-18

现行

ISO 5315-1984

Fertilizers — Determination of total nitrogen content — Titrimetric method after distillation
肥料和灰分；总氮含量的测定——蒸馏后滴定法

1984-05-01

现行

GB/T 30733-2014

煤中碳氢氮的测定 仪器法
Determination of total carbon, hydrogen and nitrogen content in coal―Instrumental method

2014-03-27

现行

BS EN ISO 16634-2-2016

Food products. Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content-Cereals, pulses and milled cereal products
食品 根据Dumas原理通过燃烧测定总氮含量并计算粗蛋白质含量

2016-06-30