Ammonium Sulfite is white crystalline powder or granule, easily soluble in water, with faint odour of sulphur dioxide.Mainly used as food preservative (such as fruits and vegetables to keep fresh), photographic developer and reducing deoxidiser (water treatment), its antioxidant properties are outstanding.It needs to be sealed and kept away from light, it is easy to decompose and release sulphur dioxide when it meets acid or high temperature, it needs to be ventilated and protected during operation.
Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.
Send the water analysis, the system type and the operating conditions. Our sales team replies with the product selection, dosing recommendation and commercial details.
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