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Methanol

Methanol
Parameter Unit High purity electronic grade Reagent grade
UP Specification EL Specification AR Specification
Assay % ≥99.8 ≥99.8 ≥99.5
Particles Black once ≤10 ≤10 -----
Evaporation ppm ----- ≤5 ≤10
Particles(≥0.5um) piece/ml ≤25 ----- -----
Particles(≥0.3um) piece/ml ≤150 ----- -----
Particles(≥0.2um) piece/ml ≤300 ----- -----
Mixed with water test   Qualified Qualified Qualified
Density g/ml 0.791~0.793 0.791~0.793 0.791~0.793
Acidity mmol/100g ≤0.0004 ≤0.0004 ≤0.0004
Basicity mmol/100g ≤0.00008 ≤0.00008 ≤0.00008
Reduction of potassium permanganate material ppm ≤2.5 ≤2.5 ≤5
Easily carbonized material   Qualified Qualified Qualified
Carbonyl Compounds ppm ≤30 ≤30 ≤50
Water % ≤0.05 ≤0.05 ≤0.1
)Chloride ppm ≤0.5 ≤1 -----
Sulfate ppm ≤1 ≤1 -----
Aluminum ppb ≤10 ----- -----
Arsenic ppb ≤10 ----- -----
Barium ppb ≤10 ----- -----
Boron ppb ≤10 ----- -----
Cadmiuth ppb ≤5 ≤5 -----
Calcium ppb ≤10 ----- -----
Chromium ppb ≤10 ----- -----
Cobalt ppb ≤10 ≤10 -----
Copper ppb ≤10 ≤10 -----
Galium ppb ≤10 ----- -----
Germanium ppb ≤10 ----- -----
Gold ppb ≤20 ----- -----
Iron ppb ≤10 ≤100 -----
Lead ppb ≤10 ≤10 -----
Lithium ppb ≤10 ----- -----
Magnesium ppb ≤10 ≤50 -----
Manganese ppb ≤10 ≤10 -----
Molybdenum ppb ≤10 ----- -----
Nickel ppb ≤10 ≤10 -----
Niobium ppb ≤10 ----- -----
Potassium ppb ≤50 ----- -----
Silver ppb ≤10 ----- -----
Sodium ppb ≤50 ≤500 -----
Strontium ppb ≤10 ----- -----
Thallium ppb ≤10 ----- -----
Titanium ppb ≤10 ----- -----
Tin ppb ≤10 ----- -----
Vanadium ppb ≤10 ----- -----
Zinc ppb ≤10 ≤10 -----

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