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黔江:环保科技公众开放日 探秘环境监测
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Topic: 黔江:环保科技公众开放日 探秘环境监测 (Read 80 times)
Maryewr
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黔江:环保科技公众开放日 探秘环境监测
June 06, 2017, 05:35:59 PM
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原标题:黔江:环保科技公众开放日 探秘环境监测
华龙网6月5日21时讯(记者 王思样 通讯员 张永江)环境监测站都承担什么工作,具有什么样的实验室?实验室内都有什么仪器设备?监测人员都是如何流水作业的?……今(5)日下午,重庆经贸职业学院的50余名大学生在黔江区教委和黔江区环保局工作人员的带领下,带着满满的好奇心来到重庆市黔江区环境监测中心站进行参观体验。
学生们仔细聆听检测中心的工作人员介绍情况。 黔江区环保局供图 华龙网发
当天下午,大学生们在监测站会议室聆听了“改善生态环境 推进生态文明”为主题的精彩报告。报告结束后,师生们参观了电感耦合等离子体发射光谱仪、顶空-气质联用仪、高效液相色谱仪、离子色谱仪器、气相色谱仪原子荧光光度计、全自动固/液体直接测汞仪、火焰-石墨炉原子吸收光谱仪等一批大型仪器设备,并对环境化学分析仪器进行了解。
在参观实验室的过程中,有大学生提问道:“电感耦合等离子体发射光谱仪主要是做什么用的?”黔江区环境监测中心站分析室负责人解释道:“电感耦合等离子体发射光谱仪是待测样品经化学处理后的试液由蠕动泵输入雾化器,成为细小均匀的喷雾,与惰性气体氩气一同载入用高频电流产生的具有8000℃高温的等离子体炬焰中,炽热的等离子体作为激发光源使试液中各种元素电离、激发。在消激过程中产生的特征辐射谱线,经光栅分光系统分解成代表各元素的单色光谱,由半导体检测器检测这些光谱能量,参照同时测定的标准溶液计算出试液中待测元素的含量,主要应用于化学、环保、食品等学科的科研和教学。大家看看手中的农户山泉,使用这台仪器,可以测农户山泉矿泉水中的钾钠钙镁元素离子含量”。
学生们仔细查看检测结果 黔江区环保局供图 华龙网发
在参观实验室过程中,同学们亲自体验环境监测阴离子表明活性剂项目分析中的前处理过程,大学生们不断抛出问题像检测人员询问。同时,也让大学生们体验了噪声测定,通过现场室主任给同学们讲解噪声监测主要是什么用途,怎么来进行测定,架起三脚架,实际让大学生们发出尖叫,体验噪声分贝值的变化,让大学生们直观感受环境监测工作。
整整一个下午的环境监测站参观体验,让大学生们感慨颇多。走出环境监测实验室,重庆经贸职业学院黄同学高告诉记者:“以前不了解环境保护工作,从生态环保专题讲解中,我深刻体会到了保护大气环境、河流水质和爱护环境其实和我们息息相关,从参观环境监测实验室,让我看到了在学校从未看到过的现代化大型仪器设备,通过参观、体验对生态环境保护有了更加直观的了解和认识。”
据了解,重庆市黔江区监测中心站实验用房面积3700平方米,拥有大小仪器设备400余台套,设备价值约2000万元。 通过重庆市质量技术监督局资质认定项目217个,涵盖水和废水、环境空气和废气、生物、噪声、土壤和辐射6大类别,参加重庆市环境保护局监测能力持证上岗考核合格项目达300余项。
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