Index

Pharmaceutical grade cp2005

Food grade 2023-2003

Color(APHA)

/

≤150

Content %

85-90

80-90

Chloride%

≤0.002

≤0.002

Sulfate %

≤0.01

≤0.005

Iron salt%

≤0.001

≤0.001

Ignition residue%

≤0.1

≤0.1

Arsenic (mg/kg)

≤1

≤1

Heavy metal(in Pb)/(mg/kg)

≤10

≤10

Calcium salt

Muddy is not allowed

Qualified

Solubility in ether

/

Qualified

Citric acid, oxalic acid, phosphoric acid, tartaric acid

.Muddy is not allowed

Qualified

Reducing sugar

Red sediment is not allowed

Qualified

Cyanidemg/kg

/

≤5

Readily carbonizable substance

Darker than light yellow is not allowed

/

Packing

25kg or 250kg plastic drum