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Merck
CN

1.06067

硫酸镁

anhydrous for analysis EMSURE®

别名:

无水硫酸镁

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关于此项目

经验公式(希尔记法):
MgO4S
化学文摘社编号:
分子量:
120.37
UNSPSC Code:
12352302
EC Index Number:
231-298-2
NACRES:
NA.21
MDL number:
Assay:
≥98.0% (complexometric)
Grade:
anhydrous
Form:
solid
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grade

anhydrous

Quality Segment

agency

suitable for SM 5210

product line

EMSURE®

assay

≥98.0% (complexometric)

form

solid

impurities

≤0.004% Total nitrogen (N)

loss

≤2% loss on ignition, 600 °C

pH

7.9 (25 °C, 50 g/L in H2O)

mp

1124 °C

density

2.66 g/cm3 at 20 °C

bulk density

600 kg/m3

anion traces

chloride (Cl-): ≤0.001%

cation traces

As: ≤0.0001%, Ca: ≤0.04%, Fe: ≤0.001%, Mn: ≤0.002%, N: ≤0.004%, heavy metals (as Pb): ≤0.001%

storage temp.

no temp limit

SMILES string

[Mg+2].[S](=O)(=O)([O-])[O-]

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

Application

  • Bioflocculant produced by Bacillus velezensis and its potential application in brewery wastewater treatment.:本文研究贝莱斯芽孢杆菌的微生物絮凝剂生产,评估其治理酿酒废水的作用。硫酸镁用作助凝剂以显著提升絮凝反应(Agunbiade et al., 2022)。
  • Evaluation of the automated micro-solid phase extraction clean-up system for the analysis of pesticide residues in cereals by gas chromatography-Orbitrap mass spectrometry.:本文评估自动微固相萃取系统的农药残留分析。硫酸镁用于纯化样品以提高萃取效率和准确度(Hakme and Poulsen, 2021)。
  • Online supercritical fluid extraction and chromatography of biomarkers analysis in aqueous samples for in situ planetary applications.:本文探讨一种结合超临界流体萃取和色谱技术的生物标志物分析方法。硫酸镁在萃取过程中发挥重要作用,促进目标化合物分离(Abrahamsson et al., 2019)。
  • Bioremediation of oily hypersaline soil and water via potassium and magnesium amendment.:本文使用硫酸镁和钾离子进行油污超盐土壤的生物修复。修复提高了微生物活性和烃类降解(Al-Mailem et al., 2013)。

Analysis Note

含量测定(配位滴定): ≥ 98.0 %
氯化物(Cl): ≤ 0.001 %
总氮(N): ≤ 0.004 %
重金属(以铅计): ≤ 0.001 %
As(砷): ≤ 0.0001 %
Ca(钙): ≤ 0.04 %
Fe(铁): ≤ 0.001 %
Mn(锰): ≤ 0.002 %
干燥失重(600 °C): ≤ 2 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany


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存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



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