Characters of Sodium Chlorite 80% as following,

Sodium chlorite %≥ 80%
Sodium chlorate %≤ 4.0
Sodium chloride %≤ 17.0
Sodium hydroxide %≤ 3.0
Sodium carbonate %≤ 2.0
Sodium sulfate %≤ 3.0
Blastine %≤ 0.1
Arsenic %≤ 0.0003