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Sodium metabisulfite appears as a white crystalline or powder solid with a slight sulfur odor. Toxic by inhalation. Strongly irritates skin and tissue. Noncombustible, but may decompose to emit toxic oxide fumes of sulfur and sodium when heated to high temperature. A corrosive acid when mixed with water. Used as a food preservative and as a laboratory reagent.
| Test Iterms | Specification | Test Result |
| Purity(As Na2S2O5) ; %≥ | 97% | 97.3 |
| Iron(As Fe); % ≤ | 0.003 | 0.002 |
| Arseni c; mg/kg ≤ | 5.0 | <5.0 |
| Heavy Metal(As Pb); mg/kg ≤ | 1.0 | <1.0 |
| Water insoluble matter | 0.05 | 0.02 |
Zane Chem is an international company active in oil drilling chemcials,fertilizers,mining chemicals,water treatment chemicals and relate chemicals.
At present, the company has three production bases. Strict quality management system, to provide customers with satisfactory products. Zane Chemical has professional R & D team and experienced technical service team. Have experience in oilfield, high-speed maintenance and municipal engineering services. We also cooperate with many universities and top research institutions.
Zane Chemical will continue to adhere to the core values of "integrity, quality and excellence". We are committed to be a competitive and respected industry leader. Our growth and success are a result of our ability to respond to customer requirements with products that meet their specifications.
Welcome friends from home and abroad, to visit Weifang, Enjoying the beautiful sights and delicious food ,and cooperating with Zane Chem.
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WEIFANG ZANE CHEMICAL CO.,LTD.
