1.05866
Magnesium oxide
for analysis (max.0.001% SO₄) EMSURE® ACS
Synonym(s):
Magnesium oxide, Magnesia usta
About This Item
Recommended Products
grade
ACS reagent
Quality Level
product line
EMSURE®
assay
≥97% (complexometric)
form
solid
impurities
≤0.02% Substances insoluble in hydrochloric acid
≤0.02% Substances precipitated by ammonia
≤0.4% Substances soluble in water
loss
≤2% loss on ignition, 1000 °C
pH
10.3 (20 °C in H2O, saturated solution)
bp
3600 °C/1000 hPa
mp
2800 °C
Related Categories
1 of 4
This Item | 243388 | 220361 | 1.05867 |
---|---|---|---|
≥97% (complexometric) | 97% | 98% | - |
300 | 200 | 100 | 500 |
ACS reagent | ACS reagent | - | - |
≤0.02% Substances insoluble in hydrochloric acid, ≤0.4% Substances soluble in water, ≤0.02% Substances precipitated by ammonia | ≤0.02% NH4OH pptd., ≤0.02% insol. dil. HCl, ≤0.4% water soluble substances | <5% adsorbed gases removable by calcining at >900°C. | - |
2800 °C | 2852 °C (lit.) | 2852 °C (lit.) | 2800 °C |
Analysis Note
Assay (complexometric): ≥ 97 %
Appearance of solution: passes test
Substances soluble in water: ≤ 0.4 %
Substances insoluble in hydrochloric acid: ≤ 0.02 %
Substances precipitated by ammonia: ≤ 0.02 %
Carbonate (as CO₂): ≤ 1.5 %
Chloride (Cl): ≤ 0.01 %
Nitrate (NO₃): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.001 %
Sulfate and sulphite (as SO₄): ≤ 0.02 %
Total nitrogen (N): ≤ 0.002 %
Heavy metals (as Pb): ≤ 0.003 %
As (Arsenic): ≤ 0.0001 %
Ca (Calcium): ≤ 0.05 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.005 %
K (Potassium): ≤ 0.005 %
Mn (Manganese): ≤ 0.0005 %
Na (Sodium): ≤ 0.25 %
Pb (Lead): ≤ 0.001 %
Zn (Zinc): ≤ 0.0005 %
Barium and Strontium (as Ba): ≤ 0.005 %
Loss on ignition (1000 °C): ≤ 2.0 %
Conforms to ACS
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Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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