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          1. Products

            Sodium sulfide

            Product Name: Sodium sulfate (Na2S)
            Property: Light yellow fine particle, with bad odor. Soluble in water, slightly soluble in alcohol, insoluble in ethyl ether. It is corrosive and oxidizable in the air. Its aqueous solution presents strong alkali. Features: Low accessory constituent, high sodium sulfide content.
            Packing: Net weight 8.0kg/bag. Inside is double-layer plastic film, hot sealing; outside is woven bag, stitch it up on a machine。
            Precautions: Protect from rain, damp, heat during transportation and storage, avoid contacting with acid and corrosive articles.
            Use: It is one of the raw materials for the synthesis of high performance special engineering plastic PPS. It can also be used in the production of pharmaceutical intermadiate, cosmetic intermediate and food additive.
            Technical Index:

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            Item Index
            Superior First Class Qualified
            Sodium sulfide (Na2S), ω/% ≥ 94.0 92.0 90.0
            Na2SO3+Na2S2O3, ω/ppm ≤ 3.0 3.0 3.0
            Iron (Fe), ω/% ≤ 8 9 10
            Water insoluble matter, ω/% ≤ 0.03 0.05 0.05
            Appearance Light yellow fine particle  
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                  1. {关键词}