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线性分子式:
MgSO4 · 7H2O
化学文摘社编号:
分子量:
246.47
NACRES:
NA.21
EC Index Number:
231-298-2
UNSPSC Code:
12352302
MDL number:
Assay:
≥99.5% (complexometric), 99.0-100.5% dry basis (complexometric)
Grade:
ACS reagent
Form:
solid
Solubility:
710 g/L
grade
ACS reagent
Quality Level
agency
reag. Ph. Eur.
vapor density
<0.01 (vs air)
vapor pressure
<0.1 mmHg ( 20 °C)
product line
EMSURE®
assay
≥99.5% (complexometric), 99.0-100.5% dry basis (complexometric)
form
solid
impurities
≤0.005% Insoluble matter
loss
48.0-52.0% loss on drying, 400 °C
pH
5.0-8.0 (25 °C, 50 g/L in H2O)
solubility
710 g/L
density
1.68 g/cm3 at 20 °C
bulk density
900 kg/m3
anion traces
chloride (Cl-): ≤0.0003%, nitrate (NO3-): ≤0.002%
cation traces
As: ≤0.0002%, Ca: ≤0.005%, Cu: ≤0.0001%, Fe: ≤0.0001%, K: ≤0.001%, Mn: ≤0.0005%, N: ≤0.002%, NH4+: ≤0.002%, Na: ≤0.001%, Pb: ≤0.0001%, Sr: ≤0.005%, heavy metals: ≤0.0005%
storage temp.
2-30°C
SMILES string
O.O.O.O.O.O.O.[Mg++].[O-]S([O-])(=O)=O
InChI
1S/Mg.H2O4S.7H2O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2
InChI key
WRUGWIBCXHJTDG-UHFFFAOYSA-L
Application
- Bioflocculant produced by Bacillus velezensis and its potential application in brewery wastewater treatment.:本研究探讨了芽孢杆菌产生的生物絮凝剂的应用,揭示七水硫酸镁有望成为啤酒厂废水处理中的潜在絮凝剂。本研究重点介绍可七水硫酸镁在增强絮凝剂性能方面的功效,为饮料行业的废水管理提供了一种经济高效且环保的解决方案(Agunbiade et al., 2022)。
Analysis Note
含量测定(配位滴定): ≥ 99.5 %
含量测定(配位滴定;以干物质计算):99.0 - 100.5 %
鉴别:通过测试
溶液外观:通过测试
不溶物质: ≤ 0.005 %
酸碱度:通过测试
pH-值(5 %;水;25 °C):5.0 - 8.0
氯化物(Cl): ≤ 0.0003 %
总氮(N): ≤ 0.002 %
硝酸盐(NO₃): ≤ 0.002 %
重金属(ACS): ≤ 0.0005 %
As(砷): ≤ 0.0002 %
Ca(钙): ≤ 0.005 %
Cu(铜): ≤ 0.0001 %
Fe(铁): ≤ 0.0001 %
K(钾): ≤ 0.001 %
Mn(锰): ≤ 0.0005 %
Na(钠): ≤ 0.001 %
NH₄(铵): ≤ 0.002 %
Pb(铅): ≤ 0.0001 %
Sr(锶): ≤ 0.005 %
干燥失重 (400 °C):48.0 - 52.0 %
符合ACS, Reag.Ph Eur
含量测定(配位滴定;以干物质计算):99.0 - 100.5 %
鉴别:通过测试
溶液外观:通过测试
不溶物质: ≤ 0.005 %
酸碱度:通过测试
pH-值(5 %;水;25 °C):5.0 - 8.0
氯化物(Cl): ≤ 0.0003 %
总氮(N): ≤ 0.002 %
硝酸盐(NO₃): ≤ 0.002 %
重金属(ACS): ≤ 0.0005 %
As(砷): ≤ 0.0002 %
Ca(钙): ≤ 0.005 %
Cu(铜): ≤ 0.0001 %
Fe(铁): ≤ 0.0001 %
K(钾): ≤ 0.001 %
Mn(锰): ≤ 0.0005 %
Na(钠): ≤ 0.001 %
NH₄(铵): ≤ 0.002 %
Pb(铅): ≤ 0.0001 %
Sr(锶): ≤ 0.005 %
干燥失重 (400 °C):48.0 - 52.0 %
符合ACS, Reag.Ph Eur
Legal Information
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
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flash_point_f
Not applicable
flash_point_c
Not applicable
存储类别
11 - Combustible Solids
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 1058860500 | 04022536069616 |
| 1058861000 | 04022536069630 |
| 1058869050 | 04022536069661 |
| 1058865000 | 04022536069654 |