Formic acid content | 85% min | 90% min | 94% min |
(Cl-) |
0.006% max |
0.005% max |
0.005% max |
(SO42-) |
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 |