甲酸

Formic acid content

85% min

90%min.

94%min

(Cl^-)

0.006% max

0.005%max

0.005%max

(SO₄^2-)

0.02% max

0.002%max

0.002%max

(Fe³⁺)

0.0006% max

0.0005%max

0.0005%max

Residue

0.06% max

0.020%max

0.020%max

Color (Pt-Co),Hazen Units

30 max

20max

20max