Parameter

Dim

Results

Specifications

E170

PhEur

USP

FCC

Assay(dried at 200 ℃

%TS

99.0

>98

98.5-100.5

98.5-100.5

98.5-100.5

Loss on drying(200℃)

%

0.55

<2.0

<2.0

<2.0

<2.0

Acid-insoluble substances

%

<0.02

<0.2

<1.5

<2.0

Mg-and alkali salts

%

0.95

<15

<1.0

<1.0

Fluoride

mg/kg

39

<50

<50

<50

Nickel

mg/kg

0.39

Antimony

mg/kg

0.10

Individual or toghther <100

Cooper

mg/kg

0.32

Chromium

mg/kg

0.64

Zink

mg/kg

2.5

Barium

mg/kg

7.4(conforms)

Limiting test

No green flame

Mercury

mg/kg

<0.010

<0.5

Arsenic

mg/kg

0.60

<3

<4

<3

<3

Lead

mg/kg

1.8

<10