formic acid	85% min	90% min
acetic acid	0. 6% max	0. 4% max
Chroma (as platinum and cobalt) , %	10 max	10 max
Dilution experiment (acid+water=1+3)	clear	clear
Chloride (as CL ), %	0. 005% max	0. 003% max
Sulfate (as SO4 , %)	0. 0002% max	0. 001% max
Iron (as Fe ), %	0. 0005% max	0. 0001% max