<samp id="gw7wi"></samp>
  • <bdo id="gw7wi"></bdo>
    <menuitem id="gw7wi"></menuitem>

      1. <tbody id="gw7wi"></tbody>
      2. <tbody id="gw7wi"></tbody>

      3. <menuitem id="gw7wi"><dfn id="gw7wi"><menu id="gw7wi"></menu></dfn></menuitem>

        nabowanghuagong.1688.com

        News

        主頁 > News >
        • What are the four main industrial production methods of sodi

          There are four main industrial production methods of sodium sulfide, namely, coal reduction method of mirabilite, gas reduction method, and barium sulfate by-product of sodium sulfide. Hydrogen sulfide method, the second method due to the complex prod

          2019-04-23
        • Sodium sulfide is used in the treatment of mercury-containin

          Mercury - containing wastewater mainly comes from non - ferrous metal smelters, chemical plants and so on. Mercury is very toxic, which is harmful to environment and human health. Therefore, the treatment of mercury - containing wastewater

          2019-04-23
        • What are the main USES of sodium sulfide?

          Nowadays, due to the rapid industrialization of domestic cities, many industries are gradually emerging. With the development of many industries, the raw materials and downstream products used by these industries are also promoted, such as

          2019-04-23
        • Popularization of knowledge: sodium sulfide plays three impo

          Sodium sulfide (Na2S) is a commonly used agent in the flotation of sulfide ores. Its functions are mainly as follows: 1. Sodium sulfide is the inhibitor of most sulfide minerals When used in large quantities, it inhibits most sulfide minera

          2019-04-23
        • Introduction to sodium sulfide

          Sodium sulfide is also known as smelly alkali, smelly soda, flavine, sulfide alkali. Sodium sulfide is an inorganic compound and pure sodium sulfide is a colorless crystalline powder. Strong moisture absorption, soluble in water. The aqueou

          2019-04-23
        • Notes for dimethyl disulfide

          USES: as solvent and pesticide intermediates, also is the main raw material of methyl sulfonyl chloride and methyl sulfonic acid products, as well as catalyst vulcanization, passivation agent Storage and transportation conditions: first cla

          2019-04-23
        • 16條記錄

        Copy right (c)2019-2020 Gansu nabowang chemical products co. LTD All rights reserved Technical Support:Blue coast

        免费看女人下部被啪流水视频,欧洲性开放少妇zozo,亚洲中国最大AV网站,中国JAPANESE高潮尖叫 金溪县| 工布江达县| 昌平区| 密山市| 门头沟区| 峡江县| SHOW| 保亭| 万全县| 邳州市| 闽侯县| 万全县| 临桂县| 陇南市| 通江县| 封开县| 榆树市| 台州市| 乌兰县| 青田县| 阿克苏市| 台安县| 新兴县| 贵阳市| 台北市| 年辖:市辖区| 丹阳市| 马边| 绍兴市| 正蓝旗| 白河县| 通城县| 嵊州市| 东安县| 崇仁县| 遂宁市| 甘肃省| 宁陵县| 深水埗区| 清河县| 景东| http://444 http://444 http://444 http://444 http://444 http://444