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等级
certified reference material
质量水平
产品线
Certipur®
技术
ICP: suitable
pH值（酸碱度）
<1 (20 °C in H2O)
密度
1.013 g/cm3 at 20 °C
应用
industrial qc
pharmaceutical
格式
single component solution
储存温度
15-25°C
相关类别
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
Praseodymium ICP standard may be used as a standard solution to determine the concentration of praseodymium in environmental water samples by ICP-OES technique.
分析说明
1000 mg/L Pr in 2-3% nitric acid, prepared with high-purity Pr(NO3)3 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
Aquatic Chronic 3 - Eye Irrit. 2 - Met. Corr. 1 - Skin Irrit. 2
WGK
WGK 1
Voltammetric and spectroscopic determination of rare earth elements in fresh and surface water samples
M Makombe
Environments, 5, 112-112 (2018)
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