formic acid

Main ingredients: ≥90.0%;  ≥85.0%.

Quality standards:GB/T2093-93

　　item    

　　formic content % ≥85          ≥90

　　acetic content <0.6             <0.4 

       Chroma  ≤10                      ≤10

　　

 chloride  (CL)% ≤0.005        ≤0.003

sulphate SO42)%≤0.002      0.001

Fe(Fe)% ≤0.0005 ≤0.0001

Appearance: olorless transparent liquid, have intense smoke irritating sour.