气相色谱仪点火不正常怎么办？

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  曹海祥曹杰 2019-04-12 10:49:37

  <p style=" font-family:&#39;Microsoft YaHei&#39;;font-size:16px;line-height: 2em;position: relative;"><span style="position:relative;line-height:2em;font-size:16px;font-family:Microsoft YaHei;" data-x-flag="10_49">气相色谱仪点火不正常的现象，指FID、NPD、FPD检测器不能点火或点火困难。</span></p><p style=" font-family:&#39;Microsoft YaHei&#39;;font-size:16px;line-height: 2em;position: relative;"><span style="position:relative;line-height:2em;font-size:16px;font-family:Microsoft YaHei;" data-x-flag="10_49"><br/></span></p><p style=" font-family:&#39;Microsoft YaHei&#39;;font-size:16px;line-height: 2em;position: relative;"><span style="position:relative;line-height:2em;font-size:16px;font-family:Microsoft YaHei;" data-x-flag="10_49">1、检查载气、氢气、空气是否进入气相色谱仪检测器，否则检查气路部分。</span></p><p style=" font-family:&#39;Microsoft YaHei&#39;;font-size:16px;line-height: 2em;position: relative;"><span style="position:relative;line-height:2em;font-size:16px;font-family:Microsoft YaHei;" data-x-flag="10_49"><br/></span></p><p style=" font-family:&#39;Microsoft YaHei&#39;;font-size:16px;line-height: 2em;position: relative;"><span style="position:relative;line-height:2em;font-size:16px;font-family:Microsoft YaHei;" data-x-flag="10_49">2、检查各种气体的流量设置是否正确，否则重新设置。</span></p><p style=" font-family:&#39;Microsoft YaHei&#39;;font-size:16px;line-height: 2em;position: relative;"><span style="position:relative;line-height:2em;font-size:16px;font-family:Microsoft YaHei;" data-x-flag="10_49"><br/></span></p><p style=" font-family:&#39;Microsoft YaHei&#39;;font-size:16px;line-height: 2em;position: relative;"><span style="position:relative;line-height:2em;font-size:16px;font-family:Microsoft YaHei;" data-x-flag="10_49">3、观察点火丝是否发红，否则检查点火丝是否断路或短路、接触不良，以及检查点火丝形状是否正常。</span></p><p style=" font-family:&#39;Microsoft YaHei&#39;;font-size:16px;line-height: 2em;position: relative;"><span style="position:relative;line-height:2em;font-size:16px;font-family:Microsoft YaHei;" data-x-flag="10_49"><br/></span></p><p style=" font-family:&#39;Microsoft YaHei&#39;;font-size:16px;line-height: 2em;position: relative;"><span style="position:relative;line-height:2em;font-size:16px;font-family:Microsoft YaHei;" data-x-flag="10_49">4、点火丝正常的情况下，FID、FPD检测器观察点火继电器吸合是否正常，点火电流是否加到点火丝上，否则检查相应的电路部分。　　</span></p><p style=" font-family:&#39;Microsoft YaHei&#39;;font-size:16px;line-height: 2em;position: relative;"><span style="position:relative;line-height:2em;font-size:16px;font-family:Microsoft YaHei;" data-x-flag="10_49"><br/></span></p><p style=" font-family:&#39;Microsoft YaHei&#39;;font-size:16px;line-height: 2em;position: relative;"><span style="position:relative;line-height:2em;font-size:16px;font-family:Microsoft YaHei;" data-x-flag="10_49">5、NPD检测器在确认铷珠正常的前提下，观察电流调节是否正常，否则检查相应的电路部分。　</span></p><p style=" font-family:&#39;Microsoft YaHei&#39;;font-size:16px;line-height: 2em;position: relative;"><span style="position:relative;line-height:2em;font-size:16px;font-family:Microsoft YaHei;" data-x-flag="10_49"><br/></span></p><p style=" font-family:&#39;Microsoft YaHei&#39;;font-size:16px;line-height: 2em;position: relative;"><span style="position:relative;line-height:2em;font-size:16px;font-family:Microsoft YaHei;" data-x-flag="10_49">6、检查检测器是否存在污染、堵塞现象。　　</span></p><p style=" font-family:&#39;Microsoft YaHei&#39;;font-size:16px;line-height: 2em;position: relative;"><span style="position:relative;line-height:2em;font-size:16px;font-family:Microsoft YaHei;" data-x-flag="10_49"><br/></span></p><p style=" font-family:&#39;Microsoft YaHei&#39;;font-size:16px;line-height: 2em;position: relative;"><span style="position:relative;line-height:2em;font-size:16px;font-family:Microsoft YaHei;" data-x-flag="10_49">7、检查检测器内部是否存在漏气现象。</span></p><p><br/></p>

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