产品名称
Magnesium hydroxide carbonate, for analysis EMSURE®
InChI
1S/CH2O3.Mg.H2O/c2-1(3)4;;/h(H2,2,3,4);;1H2/q;+2;/p-3
InChI key
OUHCLAKJJGMPSW-UHFFFAOYSA-K
product line
EMSURE®
form
solid
concentration
≥24% (Mg, complexometric)
impurities
≤0.001% Total nitrogen (N)
≤0.005% Substances insoluble in hydrochloric acid
≤0.5% Substances soluble in water
pH
10.5 (20 °C, 50 g/L in H2O, suspension)
mp
600 °C (decomposition)
solubility
water: insoluble at 20 °C
density
2.16 g/cm3 at 20 °C
anion traces
chloride (Cl-): ≤0.005%
sulfate (SO42-): ≤0.003%
cation traces
Ba + Sr (as Ba): ≤0.001%
Ca: ≤0.01%
Cu: ≤0.0005%
Fe: ≤0.001%
K: ≤0.001%
Na: ≤0.2%
Pb: ≤0.001%
Zn: ≤0.0005%
heavy metals (as Pb): ≤0.001%
storage temp.
2-30°C
Quality Level
Analysis Note
Assay (komplexometric, Mg): ≥ 24.0 %
Substances soluble in water: ≤ 0.5 %
Substances insoluble in hydrochloric acid: ≤ 0.005 %
Chloride (Cl): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.003 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.001 %
Barium and Strontium (as Ba): ≤ 0.001 %
Ca (Calcium): ≤ 0.01 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.001 %
Na (Sodium): ≤ 0.2 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.0005 %
Substances soluble in water: ≤ 0.5 %
Substances insoluble in hydrochloric acid: ≤ 0.005 %
Chloride (Cl): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.003 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.001 %
Barium and Strontium (as Ba): ≤ 0.001 %
Ca (Calcium): ≤ 0.01 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.001 %
Na (Sodium): ≤ 0.2 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.0005 %
Legal Information
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
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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