现行

KS I ISO 13395(2018 Confirm)

수질－연속 흐름 분석(CFA 및 FIA)과 분광 검출법에 의한 아질산성 질소,질산성 질소 및 그 총량 측정 방법
水质.用流动分析法（CFA和FIA）和光谱测定法测定亚硝酸盐氮和硝酸盐氮及其总和

2008-11-24

现行

ISO 13395-1996

Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
水质与灰分；通过流动分析（CFA和FIA）和光谱检测测定亚硝酸盐氮和硝酸盐氮及其总和

1996-07-11

现行

BS EN ISO 13395-1996

Water quality. Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
水质 通过流动分析（CFA和FIA）和光谱检测测定亚硝酸盐氮和硝酸盐氮及其总和

1996-11-15

现行

GB/T 7493-1987

水质 亚硝酸盐氮的测定 分光光度法
Water quality--Determination of nitrogen(nitrite)--Spectrophotometric method

1987-03-06

现行

JIS K 0170-2-2011

Testing methods for water quality by flow analysis -- Part 2: Nitrite nitrogen and nitrate nitrogen (Foreign Standard)
水质流动分析试验方法第2部分:亚硝酸盐氮和硝酸盐氮（国外标准）

2011-01-01

现行

HJ/T 346-2007

水质 硝酸盐氮的测定 紫外分光光度法（试行）
Water quality-Determination of nitrate-nitrogen-Ultraviolet spectrophotometry

2007-03-10

现行

DIN EN ISO 13395

Determination of nitrite nitrogen and nitrate nitrogen in water and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)
水质.通过流动分析（CFA和FIA）和光谱检测测定亚硝酸盐氮和硝酸盐氮及其总和（ISO 13395-1996）；德文版EN ISO 13395:1996

1996-12-01

现行

HJ/T 197-2005

水质 亚硝酸盐氮的测定 气相分子吸收光谱法
Water quality-Determination of Nitrite-Nitrogen Gas-phase molecular absorption spectrometry

2005-11-09

现行

HJ/T 198-2005

水质 硝酸盐氮的测定 气相分子吸收光谱法
Water quality-Determination of nitrate-nitrogen Gas-phase molecular absorption spectrometry

2005-11-09

现行

BS EN 12260-2003;BS 6068-2.83-2003

Water quality. Determination of nitrogen. Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
水质 氮的测定 氧化成氮氧化物后结合氮（TNb）的测定

2003-09-25

现行

UNE-EN 12260-2004

Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
水质.氮的测定.氧化成氮氧化物后结合氮（TNb）的测定

2004-05-28

现行

GB/T 11891-1989

水质 凯氏氮的测定
Water quality--Determination of Kjeldahl nitrogen

1989-11-03

现行

KS I ISO 14255(2019 Confirm)

토양의 질－공기 건조 토양에서 염화칼슘용액으로 추출한 질산성 질소, 암모니아성 질소 및 총 가용성 질소 측정 방법
土壤质量用氯化钙溶液作萃取剂测定风干土壤中硝态氮、铵态氮和总可溶性氮

2009-12-18

现行

KS I ISO 14255(2023 Confirm)

토양의 질－공기 건조 토양에서 염화칼슘용액으로 추출한 질산성 질소, 암모니아성 질소 및 총 가용성 질소 측정 방법
土壤质量.用氯化钙溶液作萃取剂测定空气干燥土壤中的硝酸盐氮、铵态氮和总可溶性氮

2009-12-18

现行

ISO 14255-1998

Soil quality — Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
土壤质量——氯化钙溶液萃取法测定风干土壤中硝态氮、铵态氮和可溶性总氮

1998-04-23

现行

UNE 77306-1999

SOIL QUALITY. DETERMINATION OF NITRATE NITROGEN, AMMONIUM NITROGEN AND TOTAL SOLUBLE NITROGEN IN AIR-DRY SOIL USING CALCIUM CHLORIDE SOLUTION AS EXTRACTANT.
土壤质量 以氯化钙溶液为萃取剂测定风干土壤中的硝态氮、铵态氮和可溶性总氮

1999-05-26

现行

DIN ISO 14255

Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)
土壤质量.用氯化钙溶液作为萃取剂测定风干土壤中的硝酸盐氮、铵态氮和总可溶性氮（ISO 14255-1998）

1998-11-01

现行

GB/T 39305-2020

再生水水质 氟、氯、亚硝酸根、硝酸根、硫酸根的测定 离子色谱法
Reclaimed water quality—Determination of fluoride,chloride,nitrite,nitrate,sulfate—Ion chromatography

2020-11-19

现行

DIN 19746

Soil quality - Determination of mineral nitrogen (nitrat and ammonium) in soil profiles (Nmin laboratory method)
土壤质量.土壤剖面中矿质氮（硝酸盐和铵）的测定（Nmin实验室法）

2005-06-01

现行

KS I ISO 5663(2017 Confirm)

수질－킬달법에 의한 질소 측정방법－셀렌 무기화 후의 방법
水质凯氏氮的测定硒矿化后法

2007-06-29