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HPLC   Specification

Purity,%...................................................................≥*9.0
Density,(*0 centi-degree)g/ml.................................0.**1~0.**3

Solubility in water.....................................................passes test

Evaporation residue,%............................................≤0.***5

Moisture content (H2O),%.......................................≤0.*5

Acidity (H+)mmol/**0g ............................................≤0.***2

Alkalinity (OH-)mmol/**0g........................................≤0.****4

Preparation liquid

Purity,%...................................................................≥*9.9
Density,(*0 centi-degree)g/ml.................................0.**1~0.**3

Solubility in water....................................................passes test

Evaporation residue,%............................................≤0.***5

Moisture content (H2O),%.......................................≤0.*8

Absorbance(**0 nm)...............................................≤0.5

GR   Specification

Purity,%...................................................................≥*9.7
Density,(*0 centi-degree)g/ml.................................0.**1~0.**3

Solubility in water....................................................passes test

Acidity (H+)mmol/**0g ............................................≤0.***2

Alkalinity (OH-)mmol/**0g........................................≤0.****4

Evaporation residue,%............................................≤0.***5

Moisture content (H2O),%.......................................≤0.*5

Easy carbonized materials.......................................passes test

Iron(Fe),%...............................................................≤0.****1

Zinc(Zn),%...............................................................≤0.****1

AR   Specification

Purity,%....................................................................≥*9.5
Density,(*0 centi-degree)g/ml..................................0.**1~0.**3

Solubility in water.....................................................passes test

Acidity (H+)mmol/**0g ............................................≤0.***4

Alkalinity (OH-)mmol/**0g........................................≤0.****8

Evaporation residue,%.............................................≤0.**1

Moisture content (H2O),%........................................≤0.1

Easy carbonized materials........................................passes test

carbonyl compound(as  CO),%.................................≤0.**5

CP   Specification

Purity,%....................................................................≥*9.5
Density,(*0 centi-degree)g/ml..................................0.**1~0.**5

Solubility in water.....................................................passes test

Acidity (H+)mmol/**0g ............................................≤0.***8

Alkalinity (OH-)mmol/**0g........................................≤0.****6

Evaporation residue,%.............................................≤0.**1

Moisture content (H2O),%........................................≤0.3

Easy carbonized materials........................................passes test

carbonyl compound(as  CO),%.................................≤0.*1