一般描述
Calcium carbonate volumetric standard is manufactured under stringent conditions and measured with the highest possible precision. The standard is qualified by volumetric complexometric titration with photometric endpoint detection. Its certified value and uncertainty measurement are in accordance with ISO Guide 35.
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.
Search & download your certificate here.
Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.
Search & download your certificate here.
应用
It finds its use as a reference material for the standardization of volumetric solutions in complexometric titrations.
特点和优势
- Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened.
- High-quality offering accurate titer determinations
- Accompanied by a certificate of analysis (CoA)
分析说明
精确浓度、有效期、可追踪性以及认证的详细信息请见每个包装内的证书和认证报告。含量和有效期见标签。
储存分类代码
13 - Non Combustible Solids
WGK
nwg
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
dust mask type N95 (US), Eyeshields, Gloves
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