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                硫化氢测定仪安全操作规程

                日期?span id="ctl00_ContentPlaceHolder1_Label2">2010-10-28  作者:admin   出处?span id="ctl00_ContentPlaceHolder1_Label4">中国煤炭科技?/span>

                  1.检查硫化氢采取器的气密mһ性,了解比长式硫化氢检定管的使用期限及测量范围A已超期的检定管不得使~಻Ŕ?/p>

                  2. 在需测地点,将硫化氢测定仪采取器Щ|Ǽ连续推拉3~4次?/p>

                  3. 将检定管两端切开,不带零的ӰȻFڰ֮и端插在连接短胶管上,抽拉活塞柄,?00 秒钟的时间内以匀速Ҫī֮r取气?00 毫升,气样通过检定管之后,硫化氢氡体与指示胶发生反应,形成一丰Խ^ª变色环?/p>

                  4. 读数。Ƨ察变色环的位置,可直接从检定管上读出硫化氢的浓度(单位Lɳ•_ڵ为ppm或百分数)?/p>

                  5.对于氮气、氨ơ气、乙烯、乙烷、氢气、氮氧化合物及其他Ҫ_ȥ测定可以进行色谱分析或化学分析?/p>

                  6. 对氧气、瓦斯、硫化氢、一氧化碳、二氧化碳等气体的测定须在同一地点ԓDZ҂至少测定2次,除氧气外,其余均应以较高的浓度为准?/p>

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