看了三氯乙烯气体检测管的用户又看了
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测定物质 |
Cl2C=CHCl三氯乙烯 |
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测定范围 |
10}/span>300ppm (温度校正浓?#215;2(/span> |
5}/span>150ppm (印刷刻度) |
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取气野/span> |
50mL |
100ml |
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测定时间 |
1分钟 |
2分钟 |
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*低检测限?/span> |
1ppm(采氓/span>100mL时) |
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颜色变化 |
黄色→红艱/span> |
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有效朞/span> |
2平/span> |
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使用温度范围 |
0,/span>40℃(温度校正(/span> |
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湿度的影哌/span> |
无影哌/span> |
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反应原理 |
Cl2C=CHCl*/span>PbO2+H2SO4↑/span>HCl |
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其它影响物质 |
物质 |
浓度'/span>ppm(/span> |
影响 |
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氯乙?/span> |
指示偏高 |
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氯化氡/span> |
指示偏高 |
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1?-二氯乙烷 |
指示偏高 |
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四氯乙烯 |
指示偏高 |
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氯气 |
指示偏高 |
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测定操作 |
/span>打通检测管两端 ①/span>按检测管上箭头方向将其插入吸气泵前端 ②/span>将红线与轴线对齐 ③/span>根据所需检测范围抽取定量气体、/span> ④/span>采气时间见上?/span>+/span>抽取100ml气体时手泵的红色指示器弹出就说明气体已全部进入检测管中,需要多次采集气体时将手柄推回去,同样方法采集即?/span> ?/span>取下检测管,读值。如果取气量增多,则重复③-⑤操作步骣/span> |
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测定结果换算 '/span>mg/m3(/span> |
测定浓度'/span>mg/m3(/span> =测定浓度'/span>ppm?#215;』/span>131.4/22.4?#215;』/span>273/'/span>273+t)【/span> t:测定时室温ℂ/span> 在取气为50ml测定10-300ppm范围时,结果2 |
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使用环境 |
温度9/span>0,/span>40ℂ/span> (温度校正) |
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湿度:无 |
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气压:读取值(ppm?#215;1013'/span>hpa(/span>/测定点的气压'/span>hpa(/span> |
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温度校正?/span>
读取倻/span> '/span>ppm(/span> |
真实浓度'/span>ppm(/span> |
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0ℂ/span> |
10ℂ/span> |
20ℂ/span> |
30ℂ/span> |
40ℂ/span> |
|
150 |
,/span> |
162 |
150 |
144 |
142 |
100 |
120 |
108 |
100 |
96 |
94 |
50 |
58 |
53 |
50 |
48 |
46 |
30 |
34 |
32 |
30 |
29 |
28 |
20 |
20 |
20 |
20 |
20 |
20 |
暂无数据