HPLC Specification

Item

Qualification

Item

Qualification

Purity ,%

≥99.5

Optical test

Density (20°C)g/ml

0.878~0.883

λ(nm)

Absorbency

Moisture content (H2O),%

≤0.05

253

≤1.0

Evaporation residue ,%

≤0.0005

280

≤0.1

Acidity (as H+)mmol/100g

≤0.06

310

≤0.02

Package : 25L    500ml

GR Specification

Item

Qualification

Item

Qualification

Purity ,%

≥99.5

Moisture content (H2O),%

≤0.05

Density (20°C)g/ml

0.878~0.883

Easy carbonized material

Qualified

Evaporation residue ,%

≤0.0005

Acidity (as H+)mmol/100g

≤0.06

Butanol (C4H9OH),%

≤0.2

Heavy metal (as Pb),%

≤0.00005

Package: 500ml

AR Specification

Item

Qualification

Item

Qualification

Purity ,%

≥99.0

Easy carbonized material

Qualified

Density (20°C)g/ml

0.878~0.883

Acidity (as H+)mmol/100g

≤0.08

Evaporation residue ,%

≤0.001

Moisture content (H2O),%

≤0.1

Butanol (C4H9OH),%

≤0.3

Heavy metal (as Pb),%

≤0.0001

Package: 25L    500ml

CP Specification

Item

Qualification

Item

Qualification

Purity ,%

≥98.0

Easy carbonized material

Qualified

Density (20°C)g/ml

0.878~0.883

Acidity (as H+)mmol/100g

≤0.16

Evaporation residue ,%

≤0.005

Moisture content (H2O),%

≤0.3

Butanol (C4H9OH),%

≤0.5

Heavy metal (as Pb),%

≤0.0001

Package:  500ml