Index

   Standard

   GB1626-2006

Result

 Oxalic Acid , %≥

99.6%

99.65%

Sulphate radical , %≤

0.08%

0.07%

                        Residue after Ignition  , %≤

0.08

0.08

Heavy metal,%≤

0.001

0.001

Fe,%≤

0.0015

0.0012

Chloride , %≤

0.003

0.003