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132SC氯乙烯检测管说明
测定物质 |
CH2</span>CHCl氯乙?/span> |
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取气野/span> 咋/span> 测定范围 |
测定气体名称 |
测定范围 |
取气野/span> |
采气次数 |
|
氯乙?/span>CH2</span>CHCl |
0.4~12.0ppm 0.2~6.0ppm 0.1~3.0ppm |
100mL 200 mL 400 mL |
1囝/span> 2囝/span> 4囝/span> |
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氯甲?/span>C6H5CH2Cl |
1~16ppm |
100 mL |
1囝/span> |
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o-氯甲?/span>ClC6H4CH3 |
1~50ppm |
200 mL |
2囝/span> |
||
m-氯甲?/span>C6H4Cl(CH3) |
0.5~10ppm |
200 mL |
2囝/span> |
||
p-氯甲?/span>ClC6H4CH3 |
1~50ppm |
200 mL |
2囝/span> |
||
三氯甲苯C6H5CCl |
0.2~4ppm |
100 mL |
1囝/span> |
||
1?-二氯乙烯CH3CHCl2 |
1~22ppm |
100 mL |
1囝/span> |
||
氯丙稀CH2=CHCH2Cl |
1~40ppm |
300 mL |
3囝/span> |
||
1?-二氯丙烷ClCH2CH2CH2Cl |
1~10ppm |
100 mL |
1囝/span> |
||
测定时间 |
1.5分钟/100mL |
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*低检测限?/span> |
0.05ppm(氯乙?/span>抽气400mL旵/span>) |
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颜色变化 |
草黄色→桃色 |
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有效朞/span> |
2平/span> |
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使用温度范围 |
0,/span>40℃:氯乙烯(温度校正(/span> |
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常温:氯甲苯?/span>o-氯甲苯?/span>m-氯甲苯?/span> (15}/span>25ℂ/span>) p-氯甲苯、三氯甲苯?/span>1?-二氯乙烯、氯丙稀?/span>1?-二氯丙烷 (常温以外也可能得到正确结果(/span> |
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湿度的影哌/span> |
无影哌/span> |
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反应原理 |
CH2</span>CHCl +CrO3+H2SO4↑/span>HCl |
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其它影响物质 |
浒/span>?/span> |
影响 |
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乙烯 |
400ppm |
指示偏低 |
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乙炔 |
4% |
指示偏低 |
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氯化氡/span> |
无影哌/span> |
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氯气 |
无影哌/span> |
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测定操作 |
/span>打通反应管和检测管两端 ①/span>按管上箭头方向将反应管和检测管用橡胶管连接并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>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?/span> ?/span>取下检测管,读倻/span> 如果取气量增多,则重复③-⑤操作步骤 |
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备注 |
?/span>1:测定氯乙烯以外的其他气体换算表(见日文说明书)进行浓度换算、/span> ?/span>2:测定氯乙烯时采氓/span>100mL时测定浓度为读取值进行温度校正乘2:/span> 采气400mL时测定浓度为读取值进行温度校正乘1/2、/span> |
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测定浓度'/span>mg/m3)= |
换算系数测定浓度'/span>ppm(/span> |
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测定气体 |
换算系数 |
测定气体 |
换算系数 |
|
氯乙?/span> |
2.60 |
三氯甲苯 |
8.13 |
|
氯甲?/span> |
5.27 |
1?-二氯乙烯 |
4.03 |
|
o-氯甲?/span> |
5.27 |
氯丙稀 |
3.18 |
|
m-氯甲?/span> |
5.27 |
1?-二氯丙烷 |
4.62 |
|
p-氯甲?/span> |
5.27 |
氯乙烯温度校正表'/span>20℃基准)
读取值(ppm(/span> |
氯乙烯真正浓度(ppm(/span> |
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0ℂ/span> |
5ℂ/span> |
10ℂ/span> |
15ℂ/span> |
20,/span>40ℂ/span> |
|
6.0 |
9.4 |
8.3 |
7.4 |
6.8 |
6.0 |
5.0 |
7.6 |
6.8 |
6.1 |
5.6 |
5.0 |
4.0 |
6.1 |
5.5 |
5.0 |
4.5 |
4.0 |
3.0 |
4.6 |
4.0 |
3.6 |
3.3 |
3.0 |
2.0 |
3.0 |
2.7 |
2.4 |
2.2 |
2.0 |
1.0 |
1.5 |
1.4 |
1.3 |
1.2 |
1.0 |
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