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Sodium sulfate decahydrate
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| 半岛bd体育手机客户端 编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 4060288 | 1 KG | 1220 | |||
| 4060288 | 25 KG | 23890 |
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别名
7727-73-3
Sodium sulfate decahydrate
基本信息
| Empirical Formula【经验(实验)分子式】 | Na2O4S · 10H2O |
| Molecular weight | 322.20 |
| MDL number | MFCD00149189 |
| EC Index Number【EC索引号】 | 231-820-9 |
| Analysis Note【分析说明】 | Assay (alkalimetric): ≥ 99.0 % Assay (alkalimetric, calculated on dried substance): 98.5 - 101.0 % Identity: passes test Appearance of solution: passes test Insoluble matter: ≤ 0.01 % pH-value (5 %; water; 25 °C): 5.2 - 8.0 Acidity or alkalinity: passes test Chloride (Cl): ≤ 0.0003 % Phosphate (PO₄): ≤ 0.0005 % Total nitrogen (N): ≤ 0.0003 % Heavy metals (as Pb): ≤ 0.0003 % As (Arsenic): ≤ 0.0001 % Ca (Calcium): ≤ 0.002 % Fe (Iron): ≤ 0.0005 % K (Potassium): ≤ 0.002 % Mg (Magnesium): ≤ 0.001 % Loss on drying (130 °C): 52.0 - 57.0 % corresponds to ACS,Reag. Ph Eur |
| Legal Information【法律信息】 | EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany |
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性质
| Quality Level【质量水平】 | 300 |
| grade【等级】 | ACS reagent |
| agency | reag. Ph. Eur. |
| Assay【测定】 | ≥99.0% (alkalimetric) 98.5-101% dry basis (alkalimetric) |
| form【形式】 | crystals |
| pH【pH值(酸碱度)】 | 5.2-8.0 (25 ℃, 50 g/L in H2O, anhydrous substance) |
| mp | 32.4 ℃ |
| density | 1.464 g/cm3 |
| bulk density【堆积密度】 | 700 kg/m3 |
| anion traces【痕量阴离子】 | chloride (Cl-): ≤0.0003% phosphate (PO43-): ≤0.0005% |
| cation traces【痕量阳离子】 | As: ≤ 0.0001% Ca: ≤ 0.002% Fe: ≤ 0.0005% K: ≤ 0.002% Mg: ≤ 0.001% N: ≤ 0.0003% heavy metals (as Pb): ≤ 0.0003% |
| storage temp.【储存温度】 | 15-25℃ |
| InChI | 1S/2Na.H2O4S.10H2O/c;;1-5(2,3)4;;;;;;;;;;/h;;(H2,1,2,3,4);10*1H2/q2*+1;;;;;;;;;;;/p-2 |
| InChI key | RSIJVJUOQBWMIM-UHFFFAOYSA-L |
安全信息
| Storage Class Code【储存分类代码】 | 13 - Non Combustible Solids |
| WGK | WGK 1 |
