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Determination of seawater trace nitrate—Flow analysis,cadmium reduction,diazotization and spectrophotometric detection with a long path length flow cell
Standard in brief
Scope of Application：
本文件描述了流动分析-镉柱还原-重氮偶联-长光程分光光度法测定海水中痕量硝酸盐的方法原理、分析步骤和结果计算与记录，规定了试剂与材料、仪器和设备、样品采集与保存、精密度和准确度、质量保证和质量控制等的技术要求。
本文件适用于海水中纳摩尔每升（nmol/L）级别的痕量硝酸盐的测定。本方法的检出限为6 nmol/L，测定下限为10 nmol/L。
Basic information
Standard No：HY/T 0346-2022
Standard Name：海水中痕量硝酸盐的测定 流动分析-镉柱还原-重氮偶联-长光程分光光度法
English Name：Determination of seawater trace nitrate—Flow analysis,cadmium reduction,diazotization and spectrophotometric detection with a long path length flow cell
Standard Status：现行
Release Date：2022-09-26
Effective Date：2023-01-01
Language of Publication：中文简体
Standard Classification
ICS Number：07.060
CCS Number：A45
Related Standards
Referenced Standards：GB/T 12763.4,GB 17378.2
Publication Information
Number of pages：16
Number of words：25 K
Format：大16
Edition：1
Color Pages：0
Electronic Version：Yes
Color Images：No
Print Publication Date：2022-12-01
Standard Revision Information
Has Amendment：No
Other Information
Application Dept：中华人民共和国自然资源部
Standard Type：QT
Standard Attribute：HY
Other Standard Number：0346
Drafter：黄勇明、袁东星、李权龙、张元标、黄舒元
Drafting Organization：厦门大学、自然资源部第三海洋研究所
Management Organization：全国海洋标准化技术委员会(SAC/TC 283)
Proposing Department：中华人民共和国自然资源部
