等级
certified reference material
质量水平
Agency
suitable for EPA 200.8
产品线
Certipur®
浓度
10 mg/L Th in 2-3% HNO3
技术
ICP: suitable
pH值（酸碱度）
1 (20 °C in H2O)
密度
1.012 g/cm3 at 20 °C
应用
industrial qc
pharmaceutical
包装形式
single component solution
储存温度
15-25°C
一般描述
This certified reference material (CRM) is produced in accordance with ISO 17034 and characterized in accordance with ISO/IEC 17025. This CRM is traceable to SI unit kg and measured against primary material from a National Metrology Institute (NMI), e.g. NIST.
Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.
Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty, date of expiry, and detailed information about trace impurities.
Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.
Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty, date of expiry, and detailed information about trace impurities.
应用
Thorium ICP standard may be used as a calibration standard for preconcentration and separation of thorium in water samples by ICP-MS technique.
分析说明
10 mg/L Th in 2-3% nitric acid, prepared with high-purity Th(NO3)4 and HNO3
其他说明
For a complete product listing of our Certipur® range of CRMs for ICP and AAS, technical information, and example certificates please visit our ICP & AAS standards website
法律信息
CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
警示用语：
Warning
危险分类
Eye Irrit. 2 - Met. Corr. 1 - Skin Irrit. 2
储存分类代码
8B - Non-combustible, corrosive hazardous materials
WGK
WGK 1
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