<pre id="amfbr"><label id="amfbr"><menu id="amfbr"></menu></label></pre>

      1. <pre id="amfbr"><del id="amfbr"><menu id="amfbr"></menu></del></pre>
        <p id="amfbr"><strong id="amfbr"><xmp id="amfbr"></xmp></strong></p>

        Welcome to visit Haimen Wuyang Chemical Industry Co.,Ltd. official website! Home | Contact Us | Admin | 中文版

        Products Position: Hone > Products
        Sodium thiosulfate

        1. Chemcial name:Sodium thiosulfate
        2. Structural formula:

        3. Molecular formula: Na2S2O3·5H2O
        4. Molecular weight: 248.17
        5. Physical and chemical properties: monoclinic crystal, melting point: 40-45℃, relative density: 1.729(17℃).
        6. Quality index:

        Item
        Photographic grade
        Technical grade
        Anhydrous grade
        Appearance
        colorless transparent crystal
        colorless transparent crystal
        white powder
        Content
        ≥99.00%
        ≥98.5%
        ≥97.0%
        Water insoluble matter
        ≤0.01%
        ≤0.03%
        ≤0.03%
        Sulfide
        ≤0.001%
        ≤0.003%
        ≤0.001%
        Iron
        ≤0.001%
        ≤0.003%
        ≤0.005%
        PH value
        6.5~9.5
        6.5~9.5
        6.5~9.5
        Aqueous reaction
        pass test
        pass test
        ----
        Particle size
        12~16
        ---
        ----


        7. Packing: 25kg, 50kg plastic woven bag, or at customer's request.
        8. Uses: in fixing agent, electroplating, leather, reducing agent, dechlorinating agent, fading agent, and other industries.

          Order                   Back
         
        點擊這里給我發消息
         
         
         
         
        国产一级婬片永久免费看久久_欧美精品国产91在线看_久久久久久久久_丁香久久性 网
        <pre id="amfbr"><label id="amfbr"><menu id="amfbr"></menu></label></pre>

            1. <pre id="amfbr"><del id="amfbr"><menu id="amfbr"></menu></del></pre>
              <p id="amfbr"><strong id="amfbr"><xmp id="amfbr"></xmp></strong></p>