现行

BS 770-5-1976

Methods for chemical analysis of cheese-Determination of pH value
奶酪化学分析方法

1976-12-15

现行

YS/T 1014.4-2014

三氧化二铋化学分析方法　第4部分：灼烧减量的测定　重量法
Chemical analysis methods of bismuth trioxide—Part 5:Determination of loss cont on ignition—Gravimetric method

2014-10-14

现行

BS 5551-4.1.1-1981

Fertilizers. Chemical analysis. Determination of nitrogen-Nitron gravimetric method for determination of nitrate nitrogen
肥料 化学分析 氮的测定 硝基重量法测定硝酸盐氮

1981-11-30

现行

BS 770-2-1976

Methods for chemical analysis of cheese-Determination of water content (reference and routine methods)
奶酪化学分析方法

1976-12-15

现行

BS 5551-4.1.2-1982

Fertilizers. Chemical analysis. Determination of nitrogen-Determination of ammoniacal nitrogen, titrimetric method after distillation
肥料 化学分析 氮的测定 蒸馏后滴定法测定氨氮

1982-07-30

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

BS 5551-4.1.5-1993

Fertilizers. Chemical analysis. Determination of nitrogen.-Method for determination of urea nitrogen content (gravimetric method using xanthydrol)
肥料 化学分析 氮的测定 尿素氮含量的测定方法（黄嘌呤重量法）

1993-05-15

现行

KS D 1910-6

페로크로뮴 화학 분석 방법 — 제6부: 질소 함유량 정량
铬铁化学分析方法第6部分:氮含量的测定

2023-12-20

现行

JIS G 1311-7-2012

Method for chemical analysis of ferromanganese -- Part 7: Determination of nitrogen content
锰铁化学分析方法第7部分:氮含量的测定

2012-01-01

现行

JIS G 1313-6-2012

Method for chemical analysis of ferrochromium -- Part 6: Determination of nitrogen content
铬铁化学分析方法第6部分:氮含量的测定

2012-01-01

现行

BS 770-9-1985

Methods for chemical analysis of cheese-Determination of nitrate and nitrite contents. Cadmium reduction and photometry method
奶酪化学分析方法 硝酸盐和亚硝酸盐含量的测定 镉还原光度法

1985-08-30

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 1742-5.1-1991

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

1991-07-31

现行

GB/T 20931.9-2007

锂化学分析方法 氮量的测定 碘化汞钾分光光度法
Methods for chemical analysis of lithium - Determination of nitrogen content - Mercuric potassium iodide spectrophotometric method

2007-04-30

现行

UNE 36317-2-1989

CHEMICAL ANALYSIS OF FERROUS MATERIALS. DETERMINATION OF NITROGEN (TRACE AMOUNTS) IN STEELS. SPECTROFOTOMETRIC METHOD
黑色金属材料的化学分析 钢中氮（微量）的测定 分光光度法

1989-11-14

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

BS 1741-5.1-1988

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

1988-02-29

现行

GB/T 4698.7-2011

海绵钛、钛及钛合金化学分析方法 氧量、氮量的测定
Methods for chemical analysis of titanium sponge,titanium and titanium alloys - Determination of oxygen and nitrogen content

2011-05-12

现行

BS 1741-6.1-1990

Methods for chemical analysis of liquid milk and cream. Determination of casein nitrogen content of liquid milk-Reference 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

1990-09-28

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