Sodium Metabisulfite
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Sodium Bisulfite 40% Solution
Sodium Bisulfite 40% Solution (NaHSO3) is a pale-yellow liquid.
Our on purpose SBS is derived from our ultra pure SO2 that allows for a narrow specification and various solutions. Because it is produced on demand we have consistent and reliable supply. Do you have a specific requirement? Contact us to discuss your needs!
Applications
- Dechlorination in municipal wastewater, pulp & paper, power, and industrial water treatment plants
- Oxygen scavenger
- Boiler water treatment
- Preservative in photo developer process
- Food additive
- Flue gas desulfurization
- Mild reducing agent in organic synthesis
- Cyanide destruction and leaching in the mining industry (Manganese, Gold, Cobalt, Iodine, Nickel and Silver)
- Efficiently remove traces or excess amounts of bromine, iodine, osmate esters, chromium trioxide, and potassium permanganate
- Surfactant production
Chemical Composition
| Sodium Bisulfite, wt% | 38.0 - 42.0 |
| Sodium Sulfate, wt% | ≤ 3.5% |
| Iron, (Fe ppm) | ≤ 15 |
| pH | 3.6 – 4.6 |
Product meets FCC, ACS and/or USP specifications. Material is also Kosher and NSF certified.
Physical Properties
| Specific Gravity @ 25°C | 1.310 – 1.370 |
| Density, lbs/gal @ 25°C | 10.9 - 11.3 |
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