HPLC Specification

Item

Qualification

Item

Qualification

Purity, %

≥99.8

Optical test

Density (20°C)g/ml

0.944~0.952

λ(nm)

Absorbency

Refractive index(n20/D)

1.429~1.431

270

≤1.0

Boiling range(°C)

152.0~154.0

295

≤0.1

Evaporation residue ,%

≤0.003

340

≤0.005

Moisture content (H2O),%

≤0.1

Package: 4L     500ml

GR Specification

Item

Qualification

Item

Qualification

Purity, %

≥99.8

Moisture content (H2O),%

≤0.1

Chroma,Hazen

≤10

Acidity (as H+)mmol/100g

≤0.05

Density (20°C)g/ml

0.945~0.950

Alkalinity (as OH-) mmol/100g

≤0.05

Evaporation residue ,%

≤0.003

Iron (Fe),%

≤0.0003

Package: 500ml

AR Specification

Item

Qualification

Item

Qualification

Purity, %

≥99.5

Moisture content (H2O),%

≤0.1

Chroma,Hazen

≤10

Acidity (as H+)mmol/100g

≤0.1

Density (20°C)g/ml

0.945~0.950

Alkalinity (as OH-) mmol/100g

≤0.1

Evaporation residue ,%

≤0.005

Iron (Fe),%

≤0.0005

Package: 25kg    500ml