现行

BS EN 15475-2009

Fertilizers. Determination of ammoniacal nitrogen
肥料 氨氮的测定

2009-02-28

现行

DIN EN 15475

Fertilizers - Determination of ammoniacal nitrogen
肥料.氨态氮的测定；德文版EN 15475:2009

2009-04-01

现行

ISO 25475-2016

Fertilizers — Determination of ammoniacal nitrogen
肥料 - 氨氮测定

2016-04-07

现行

UNE-EN 15475-2009

Fertilizers - Determination of ammoniacal nitrogen
肥料.氨态氮的测定

2009-05-27

现行

GOST EN 15475-2013

Удобрения. Определение содержания аммонийного азота
肥料 氨氮测定

2013-06-07

现行

GB/T 3600-2000

肥料中氨态氮含量的测定 甲醛法
Fertilizers--Determination of ammoniacal nitrogen content--Formaldehyde method

2000-07-31

现行

ISO 5314-1981

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

1981-05-01

现行

GOST 29313-1992

Удобрения минеральные. Метод определения аммонийного азота (титриметрический) после отгонки
肥料 蒸馏后测定氨氮含量（滴定）的方法

现行

GB/T 3595-2000

肥料中氨态氮含量的测定 蒸馏后滴定法
Fertilizers--Determination of ammoniacal nitrogen content--Titrimetric method after distillation

2000-07-31

现行

ISO 7408-1983

Fertilizers — Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide — Titrimetric method
肥料和灰分；在使用氢氧化钠处理时释放氨的其他物质存在的情况下测定氨氮含量——滴定法

1983-12-01

现行

BS EN 15476-2009

Fertilizers. Determination of nitric and ammoniacal nitrogen according to Devarda
肥料 根据Devarda测定硝酸和氨氮

2009-02-28

现行

DIN EN 15559

Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
肥料.根据Arnd测定硝酸和氨氮；德文版EN 15559:2009

2009-06-01

现行

DIN EN 15558

Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
肥料.根据Ulsch测定硝酸和氨氮；德文版EN 15558:2009

2009-06-01

现行

DIN EN 15476

Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
肥料.根据Devarda测定硝酸和氨氮；德文版EN 15476:2009

2009-04-01

现行

BS EN 15558-2009

Fertilizers. Determination of nitric and ammoniacal nitrogen according to Ulsch
肥料 根据Ulsch测定硝酸和氨氮

2009-02-28

现行

BS EN 15559-2009

Fertilizers. Determination of nitric and ammoniacal nitrogen according to Arnd
肥料 根据Arnd测定硝酸和氨氮

2009-05-31

现行

UNE-EN 15558-2009

Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
肥料.根据Ulsch测定硝酸和氨氮

2009-10-28

现行

UNE-EN 15476-2009

Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
肥料.根据Devarda测定硝酸和氨氮

2009-05-27

现行

GOST EN 15559-2013

Удобрения. Определение нитратного и аммонийного азота методом Арнда
肥料 根据Arnd测定硝酸和氨氮

2013-11-14

现行

GOST EN 15476-2013

Удобрения. Определение нитратного и аммонийного азота методом Деварда
肥料 根据Devarda测定硝酸和氨氮

2013-11-05