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碳酸钙
Calcium carbonate
产品价格查看更多规格...
| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 3421884 | 25 G | 2140 |
产品别名
471-34-1
碳酸钙
Calcium carbonate
结构式
基本信息
| Linear Formula【线性分子式】 | CaCO3 |
| Molecular weight | 100.09 |
| Beilstein | 8008338 |
| EC number【EC 号】 | 207-439-9 |
| MDL number | MFCD00010906 |
| PubChem Substance ID【PubChem化学物质编号】 | 329751907 |
| NACRES | NA.24 |
| Quality【质量】 | certified by BAM |
| General description【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. |
| Application【应用】 | It finds its use as a certified reference material (CRM) for the standardization of volumetric solutions in complexometric titrations. |
| Features and Benefits【特点和优势】 |
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| Analysis Note【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。 |
产品性质
| grade【等级】 | certified reference material |
| Assay【测定】 | ≥99.5% |
| technique(s) | titration: suitable |
| solubility【溶解性】 | H2O: insoluble |
| density | 2.93 g/mL at 25 ℃ (lit.) |
| format【格式】 | neat |
| SMILES string | [Ca++].[O-]C([O-])=O |
| InChI | 1S/CH2O3.Ca/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2 |
| InChI key | VTYYLEPIZMXCLO-UHFFFAOYSA-L |
安全信息
| Storage Class Code【储存分类代码】 | 13 - Non Combustible Solids |
| WGK | nwg |
| Personal Protective Equipment【个人防护装备】 | dust mask type N95 (US), Eyeshields, Gloves |
