现行

ISO 25475-2016

Fertilizers — Determination of ammoniacal nitrogen
肥料 - 氨氮测定

2016-04-07

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

GOST EN 15475-2013

Удобрения. Определение содержания аммонийного азота
肥料 氨氮测定

2013-06-07

现行

UNE-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

2009-10-28

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

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

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 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

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

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

BS 08/30179301 DC

BS EN 15475. Fertilizers. Determination of ammoniacal nitrogen
英国标准EN 15475 肥料 氨氮的测定

2008-05-29

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

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

现行

GOST EN 15558-2013

Удобрения. Определение нитратного и аммонийного азота методом Ульша
肥料 根据Ulsch参数测定硝酸和氨氮

2013-12-03

现行

BS EN 15750-2009

Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
肥料 用两种不同方法测定只含氮的肥料中的总氮

2010-02-28

现行

UNE-EN 15750-2010

Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
肥料.用两种不同的方法测定仅含硝酸、氨和尿素氮的肥料中的总氮

2010-07-07