63136
硫酸镁
puriss. p.a., drying agent, anhydrous, ≥98.0% (KT), powder (very fine)
登录 查看组织和合同定价。
选择尺寸
关于此项目
经验公式（希尔记法）:
MgSO4
化学文摘社编号:
分子量:
120.37
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-298-2
MDL number:
Assay:
≥98.0% (KT)
Form:
powder (very fine)
产品名称
硫酸镁, puriss. p.a., drying agent, anhydrous, ≥98.0% (KT), powder (very fine)
InChI
1S/Mg.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
InChI key
CSNNHWWHGAXBCP-UHFFFAOYSA-L
SMILES string
[Mg++].[O-]S([O-])(=O)=O
vapor density
<0.01 (vs air)
vapor pressure
<0.1 mmHg ( 20 °C)
grade
puriss. p.a.
assay
≥98.0% (KT)
form
powder (very fine)
loss
≤2% loss on ignition, 600 °C
pH
~7.9 (25 °C, 50 g/L)
anion traces
chloride (Cl-): ≤50 mg/kg
nitrate (NO3-): ≤40 mg/kg
cation traces
Al: ≤20 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤400 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤10 mg/kg
K: ≤200 mg/kg
Li: ≤5 mg/kg
Mn: ≤20 mg/kg
Mo: ≤5 mg/kg
NH4+: ≤20 mg/kg
Na: ≤100 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg
Quality Level
正在寻找类似产品? 访问 产品对比指南
Application
无水硫酸镁可在有机合成中用作干燥剂。由于其对水的高亲和性，无水硫酸镁可在后处理过程中去除有机提取物中的微量溶解水。它也可用作离线超临界流体萃取方法的干燥剂。
General description
硫酸镁是一种无水镁盐。
存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Development of an improved method to extract pesticide residues in foods using acetontrile with magnesium sulfate and chloroform
Liu G, et al.
Journal of Chromatography A, 1218, 1429-1436 (2011)
Comparison of magnesium sulfate and sodium sulfate for removal of water from pesticide extracts of foods
Schenck FJ, et al.
Journal of Sulfur Chemistry, 85, 1177-1180 (2002)
Evaluation of drying agents for off-line supercritical fluid extraction
Burford MD, et al.
Journal of Chromatography A, 657, 413-427 (1993)
Validation of Analytical Method for Determination of 352 Pesticide Residues in Soil by LC- MS/MS.
El-Gohary AA.
Middle East Journal of Applied Sciences, 4(3), 589-599 (2014)
Eagleson M.
Concise Encyclopedia Chemistry, 889-889 (1994)
我们的科学家团队拥有各种研究领域经验，包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.
联系客户支持