Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 1342-1992
Scope
This standard applies to industrial bleaching agent and reducing agent sodium disulfinate (Na2S2O4, FW174.11) (also known as low sodium sulfite, commonly known as insurance powder).
CNS 1342-1992 history
1992CNS 1342-1992 Sodium Dithionite for Industrial Use