Molecular Formula:Na2S2O5
Molecule Weight:190.10
Appearance:white or light yellow crystalline powder.
Quality standard:HG/T2826——1997
Molecule Weight:190.10
Appearance:white or light yellow crystalline powder.
Quality standard:HG/T2826——1997
Company Standard
Item |
Value |
Content(as Na2S2O5 ) % |
≥ 97.0 |
Fe % (as Fe) % |
≤ 0.0015 |
water-Insoluble % |
≤ 0.01 |
Arsenic(as As) % |
≤ 0.0001 |
Chinese standard
Item |
Value | ||
Top-grade |
First grade |
Qualified product | |
Content(asNa2S2O5 ) % |
≥ 96.0 |
≥ 94.0 |
≥ 92.5 |
Fe %(as Fe) |
≤ 0.005 |
≤ 0.010 |
≤ 0.015 |
water-Insoluble % |
≤ 0.05 |
≤ 0.05 |
≤ 0.10 |
Arsenic(as As) % |
≤ 0.0001 |
— |
— |
Main uses:
Mordant of printing and dyeing;
Dechlorinate of textile after bleaching;
Sulphonated agent and reducer of chemical industry and pharmacy;
Bleach of paper pulp, bamboo and timber bleach of stapk; Treatment agent of waste water;
Rubber solidifying agent
Perfume industry is served as hydrocarbon perfume aldehyde
The hide profession employ to do to molt dose and pliable dose and wearproof dose ,
The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on; sewage treatment.
Mordant of printing and dyeing;
Dechlorinate of textile after bleaching;
Sulphonated agent and reducer of chemical industry and pharmacy;
Bleach of paper pulp, bamboo and timber bleach of stapk; Treatment agent of waste water;
Rubber solidifying agent
Perfume industry is served as hydrocarbon perfume aldehyde
The hide profession employ to do to molt dose and pliable dose and wearproof dose ,
The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on; sewage treatment.