grade
ACS reagent
Quality Level
product line
EMSURE®
assay
≥99.0% (acidimetric)
form
solid
potency
>2000 mg/kg LD50, oral (Rat)
impurities
≤0.01% Insoluble matter
loss
≤0.5% loss on ignition, 800 °C
pH
5.2-8.0 (20 °C, 50 g/L in H2O)
solubility
200 g/L
density
2.68 g/mL at 25 °C (lit.)
bulk density
1400‑1600 kg/m3
anion traces
chloride (Cl-): ≤0.001%, phosphate (PO43-): ≤0.001%
cation traces
As: ≤0.0001%, Ca: ≤0.01%, Fe: ≤0.0005%, K: ≤0.002%, Mg: ≤0.001%, N: ≤0.0005%, heavy metals (as Pb): ≤0.0005%
storage temp.
2-30°C
SMILES string
[Na+].[Na+].[O-]S([O-])(=O)=O
InChI
1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
InChI key
PMZURENOXWZQFD-UHFFFAOYSA-L
Application
- 磷酸铁中硫酸钠的去除: 在化合物中杂质去除法中也涉及了硫酸钠。一项新研究开发了一种去除磷酸铁中硫酸钠的方法,磷酸铁是各种工业用高纯度材料生产的重要物质。本研究强调了硫酸钠在精炼化学过程和提高工业产品质量中的重要性(Li et al., Advances in Analytical Chemistry, 2022)。
Analysis Note
含量测定(酸量滴定法): ≥ 99.0 %
鉴别:通过测试
不溶物: ≤ 0.01 %
pH值(5 %;水):5.2 - 9.2
氯化物(Cl): ≤ 0.001 %
磷酸盐(PO₄): ≤ 0.001 %
总氮(N): ≤ 0.0005 %
重金属(以铅计): ≤ 0.0005 %
As(砷): ≤ 0.0001 %
Ca(钙): ≤ 0.01 %
Fe(铁): ≤ 0.0005%
K(钾): ≤ 0.002 %
Mg(镁): ≤ 0.001 %
灼烧失重(800 °C): ≤ 0.5 %
粒度(250-2000 µm): ≥ 85 %
符合ACS
鉴别:通过测试
不溶物: ≤ 0.01 %
pH值(5 %;水):5.2 - 9.2
氯化物(Cl): ≤ 0.001 %
磷酸盐(PO₄): ≤ 0.001 %
总氮(N): ≤ 0.0005 %
重金属(以铅计): ≤ 0.0005 %
As(砷): ≤ 0.0001 %
Ca(钙): ≤ 0.01 %
Fe(铁): ≤ 0.0005%
K(钾): ≤ 0.002 %
Mg(镁): ≤ 0.001 %
灼烧失重(800 °C): ≤ 0.5 %
粒度(250-2000 µm): ≥ 85 %
符合ACS
Legal Information
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
Still not finding the right product?
Explore all of our products under 硫酸钠
存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
实验方案
High resolution separations of low molecular weight heparin-daletparin and enoxaparin can be achived using Zenix SEC-100 columns.
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 1066371000 | 04022536895420 |
| 1066370500 | 04022536676555 |
| 1066379025 | 04022536676562 |