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澳门贵宾会-澳门贵宾会娱乐网址拥有全球最顶尖的原生APP,每天为您提供千场精彩体育赛事,澳门贵宾会-澳门贵宾会娱乐网址更有真人、彩票、电子老虎机、真人电子竞技游戏等多种娱乐方式选择,澳门贵宾会-澳门贵宾会娱乐网址让您尽享娱乐、赛事投注等,且无后顾之忧!

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              "
              产品与服务
              电石

                    产品性能:白色晶体,工业品为灰黑色块状物,断面为紫色或灰色。遇水立即发生激烈反应,生成乙炔,并放出热量。
                    产品用途:有机合成、氧炔焊接、化工原料、铸造等行业。
                    产品标准:国家标准GB 10665-2004


              项  目

              指标

              发气量(20℃、101.3kPa)(L/Kg)     ≥

              优等品

              一等品

              合格品

              乙炔中磷化氢的体积分数/%                   ≤

              300

              280

              260

              乙炔中硫化氢的体积分数/%                   ≤

              0.06

              0.08

              粒度(5-80mm)的质量分数/%            ≥

              85

              筛下物(2.5mm以下的质量分数)/%     ≤

              5

              a圆括号中的粒度范围可由供需双方协商确定


              下一条
              2018-04-26
              盐酸
              澳门贵宾会-澳门贵宾会娱乐网址

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