JJG 548-2004 测汞仪

中华人民共和国国家计量检定规程

JJG548-2004

测汞仪

MercuryAnalyzers

2004一03一02发布2004一09一02实施

国家质量监督检验检疫总局发布

.IIG548-2004

测汞仪检定规程.，矛.、

，产

J六.

iJJG548-2004

VerificationRegulationof}代替JJG548-1988.﹀八.月出.

}JJG679-1990.J斌

.o.o.口.o.o.o.o.o.o.o.o.o.o.o.尸

MercuryAnalyzers

本规程经国家质量监督检验检疫总局于2004年03月02日批准，并自

2004年09月02日起施行。

归口单位:全国环境化学计量技术委员会

主要起草单位:上海市计量测试技术研究院

国家标准物质研究中心

本规程委托全国环境化学计量技术委员会负责解释

标准分享网免费下载

JJG548-2004

本规程主要起草人:

邱燕惠(上海市计量测试技术研究院)

马联弟(国家标准物质研究中心)

参加起草人:

卢晓华(国家标准物质研究中心)

.1.IG548-2004

目录

1范围········，················································································……(1)

2引用文献·····，······，·。·········，······。··，······，，·······一(1)

3概述·························································································……(1)

4计量性能要求·，，······，，·················，··········································……(2)

5通用技术要求····················································，·········，··············……(2)

5.1外观···········，·······································································……(2)

5.2绝缘电阻···············，········，，··················，··········，·········，···············……(2)

6计量器具控制········································································，···……(2)

6.1检定条件·············，········，··。·····，，········，·······，········，·············……(2)

6.2检定项目·································································，··············……(2)

6.3检定方法···，，······，，，·······，···‘····，，········，··1······，·········，·，·1··········‘……(3)

6.4检定结果的处理···············································，·········，··············……(5)

6.5检定周期·········································································，·······一(5)

附录A标准物质及相关试剂·········································，··················……(6)

附录B线性回归法中斜率与截距的计算···········································……(7)

附录C测汞仪检定记录格式(参考)··········································，·······一(8)

附录D检定证书(内页)格式···························，·····························……(9)

附录E检定结果通知书(内页)格式·，··············，，一(10)

标准分享网免费下载

JJG548-2004

测汞仪检定规程

1范围

本规程适用于冷原子吸收及冷原子荧光测汞仪的首次检定、后续检定和使用中检

验

2引用文献

本规程引用下列文献:

JJF1001-1998《通用计量术语及定义》

JJF1033-2001《计量标准考核规范》

3概述

测汞仪(以下简称仪器)属原子光谱类测定汞浓度的专用仪器。根据其原理主要分

两大类即冷原子吸收测汞仪(以下简称吸收类)和冷原子荧光测汞仪(以下简称荧光

类)。适用于水、大气、土壤、矿物、食品、化妆品和生