Specifications of Phosphoric Acid Technical Grade

NO

Items of analysis

Unit

GB2091-2003

Analytical data

1

Color

Apha

≤20

10

2

H3PO4

%

≥85.0

85.1

3

Arsenic(As)

%

≤0.0050

0.0030

4

Heavy metal (pb)

%

≤0.0010

0.0005

5

Chlorine (CI)

%

≤0.0005

0.0002

6

Sulphate(SO4)

%

≥0.0050

0.0020

7

Ferrric(Fe)

%

≥0.0020

0.0008