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Détails sur le produit:
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| Solubility: | Soluble in water | Acking Specification: | 25kg/bag |
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| Chemical Formula: | NaOH | Content: | 99%min |
| Other Name: | Sodium Hydroxide | Appearance: | White solid |
Premium White Caustic Soda Pearls - 99% Purity, 2-5mm Particle, 25kg/Bag
Pearl-shaped Sodium is a physical form of Sodium Hydroxide (NaOH, commonly known as caustic soda or lye), so named because its particles are round or oval and pearl-like. Its chemical nature is consistent with that of flake and granular sodium hydroxide, and it belongs to a strongly corrosive strong base.
| Test Items | Standard | Test Result |
| Assay (NaOH) % | ≥99.0 | 99.06 |
| Sodium Carbonate (Na2CO3)% | ≤0.5 | 0.45 |
| Sodium Chloride (NaCl)% | ≤0.03 | 0.02 |
| Iron Sesquioxide (Fe2O3) % | ≤0.005 | 0.0013 |
| Color | White | White |
| Conclusion | Qualified | |
Soap and detergent
Chemical fibers and plastics: Catalysts for dissolving cellulose in the production of viscose fibers (artificial cotton), as well as for the production of high molecular materials such as polycarbonate and epoxy resin.
Petroleum processing
Crude oil desulfurization: Neutralize acidic substances in petroleum (such as hydrogen sulfide), prevent equipment corrosion, and improve oil quality.
Lubricating oil refining: Remove organic acids and resins from lubricating oil to improve lubrication performance.
Papermaking industry
Pulping process: Caustic soda is used to dissolve the lignin in wood, and cellulose is separated to prepare pulp, which is also used for deinking of waste paper (to remove printing ink).
Paper processing: Adjust the pH value of the pulp to enhance the strength and smoothness of the paper.
Textile industry
Mercerization treatment: After cotton fabrics are treated with caustic soda solution, the fibers expand and produce a mercerization effect, enhancing luster and color fastness.
Wool processing: Remove oil and impurities from wool to improve textile performance.
Water Treatment and Environmental Protection: Pollution Control and Resource Recovery
Wastewater treatment
pH adjustment: Neutralize acidic wastewater (such as electroplating wastewater and chemical waste liquid), and adjust the pH value to neutral or alkaline to facilitate subsequent treatment.
Heavy metal precipitation: Reacts with Cu²⁺, Cd²⁺, Pb²⁺ and other substances in wastewater to form hydroxide precipitates.
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