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Iron(II) ethylenediammonium sulfate
产品编号: | 4060543 |
规格: | Volumetric standard, secondary reference material for redox titration, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur |
CAS NO: | 113193-60-5 |
包装规格: | 80 G,80 G |
产品类别: | 进口试剂 |
品牌: | Supelco |
优惠价: | 立即咨询 |
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 |
4060543 | 80 G | 4540 | |||
4060543 | 80 G | 4770 |
产品别名
113193-60-5
Iron(II) ethylenediammonium sulfate
基本信息
Linear Formula【线性分子式】 | (CH2NH3)2SO4 · FeSO4 · 4H2O |
Molecular weight | 382.15 |
EC Index Number【EC索引号】 | 264-357-6 |
General description【一般描述】 | Iron(II) ethylenediammonium sulfate volumetric standard is manufactured under stringent conditions and measured with the highest possible precision. Its mass fraction is determined by potentiometric titration, and it is qualified in a DIN EN ISO/IEC 17025 accredited laboratory. |
Application【应用】 | It finds its use as a certified reference material (CRM) for the standardization of volumetric solutions in redox titrations, according to USP and Ph. Eur. |
Features and Benefits【特点和优势】 |
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Legal Information【法律信息】 | CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany |
产品性质
Quality Level【质量水平】 | 300 |
agency | ISO 17025 reag. Ph. Eur. |
form【形式】 | solid |
technique(s) | titration: suitable |
pH【pH值(酸碱度)】 | 4.0 (25 ℃, 100 g/L in H2O) |
solubility【溶解性】 | 170 g/L |
bulk density【堆积密度】 | 600 kg/m3 |
storage temp.【储存温度】 | 15-25℃ |
packaging【包装】 | SKU-pack size numbers ending with a "3" are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals |
安全信息
Storage Class Code【储存分类代码】 | 11 - Combustible Solids |
WGK | WGK 2 |