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Industrial Chemical Formulations
Explore our full line of aqueous Ammonium Bisulphite solutions, catalyzed oxygen scavengers, and specialty sulfur chemicals. Available in high-assay concentrations, technical & food grades, and customized blends.
Sulphite Solutions
CAS: 10196-04-0
Ammonium Sulphite Solution - 40%
High-purity neutral-alkaline Ammonium Sulphite 40% solution. Key formulation for photographic developers, pulp pulping, flue gas desulphurization, and chemical synthesis.
Formula:
(NH4)2SO3
Concentration / Assay:
38.0% - 41.0% (w/w)
Specific Gravity:
1.18 - 1.22 @ 25°C
Standard Grade:
Industrial / Photographic Grade
Photography & Imaging
Pulp & Paper Manufacturing
Flue Gas Treatment & Environmental Control
Ammonium Bisulphite & Scavengers • Specification Matrix
Side-by-side comparison of active concentrations, specific gravities, and typical industrial usages.
| Product Name | Chemical Formula | Active Assay | Specific Gravity | pH (Neat) | Primary Uses | Action |
|---|---|---|---|---|---|---|
| Ammonium Sulphite Solution - 40% | (NH4)2SO3 | 38.0% - 41.0% (w/w) | 1.18 - 1.22 @ 25°C | 7.0 - 9.0 | High-purity neutral-alkaline Ammonium Sulphite 40% solution. Key formulation for photographic developers, pulp pulping, flue gas desulphurization, and chemical synthesis. | Specs |