Sodium Metabisulfite 99.4% – Food Grade Water Conditioner & Preservative

Sodium Metabisulfite 250g - SMBS Powder - Gold Recovery Reagent - Food Grade - Photo Grade 99.4% Purity - Sodium Pyrosulfite - Sodium Disulfite - White Solid Crystals - Dechlorinator- Antichlorine - Water Conditioner - Made in Germany

• Sodium Metabisulfite 250g - SMB Powder - Food Grade
• Photo Grade 99.4% Purity - White Solid Crystals
• Dechlorinator- Antichlorine - Water Conditioner
• Used in the gold refining process as an effective reducing agent for gold precipitation from aqua regia solutions.
• Country Of Origin: Germany, Shelf Life: +24 months
• Freshness: 18 Months, Storage: Room Temperature
• It is also known as Sodium Pyrosulfite and Sodium Disulfite.

Na2S2O5 is an ionic compound containing the sodium cation (Na+) and the Metabisulfite anion (S2O52-). In its standard state, sodium metabisulfite exists as a white or yellowish-white powder, as shown below.