产品名称
铬标准液, traceable to SRM from NIST Cr(NO3)3 in HNO3 0.5 mol/l 1000 mg/l Cr Certipur®
grade
certified reference material
agency
suitable for EPA 200.7
suitable for EPA 200.8
product line
Certipur®
concentration
1000 mg/L Cr in 0.5 M HNO3
technique(s)
AAS: suitable
pH
0.5 (20 °C in H2O)
density
1.015 g/cm3 at 20 °C
application(s)
industrial qc
pharmaceutical
format
single component solution
storage temp.
15-25°C
Quality Level
Analysis Note
1000 mg/L Cr的 0.5 mol/L HNO3溶液，由高纯度Cr(NO3)3、HNO3和水制备
Application
铬标准溶液可作为石墨炉原子吸收光谱法测定保湿霜铬含量的校准标准品。
General description
该认证标准物质（CRM）根据ISO 17034生产，根据ISO/IEC 17025表征。该CRM可追溯到SI单位千克，并根据国家计量研究院（NMI）中的主要材料（例如NIST）进行测量。
请访问ISO认书和站点质量自我评估以获取当前认证证书。
通过http://www.sigma-aldrich.com下载您的证书以查看认证值，包括不确定性和到期日。
请访问ISO认书和站点质量自我评估以获取当前认证证书。
通过http://www.sigma-aldrich.com下载您的证书以查看认证值，包括不确定性和到期日。
Other Notes
有关用于ICP和AAS的Certipur®系列CRM的完整产品列表、技术信息和示例证书，请访问我们的ICP &AAS标准网站
Legal Information
CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Met. Corr. 1 - Skin Irrit. 2
存储类别
8B - Non-combustible corrosive hazardous materials
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
Determination of Cr and Mn in moisturizing creams by graphite furnace atomic absorption spectrometry through direct introduction of the samples in the form of emulsions
de Paula C, et al.
Microchemical Journal, Devoted to the Application of Microtechniques in All Branches of Science, 127, 1-6 (2016)
相关内容
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