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水质分析
应?便携/车载
临床检验仪器设夆/a>
测量/计量仪器
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119U甲醇检测管说明
气体取气野/span> 及测定范図/span> |
测定气体名称 |
100ml |
300ml |
CH3OH |
20,/span>1000ppm |
||
C4H8O2'/span>*?/span>1(/span> |
20,/span>500ppm |
||
CLCH2CH2OH'/span>*?/span>2(/span> |
5,/span>300ppm |
||
测定时间 |
1.5分钟/100ml |
||
灵敏?/span> |
5ppm( CH3OH?/span> C4H8O2) |
||
颜色变化 |
黄色→浅蓝色(前端棕色) |
||
反应原理 |
CH3OH+CR6++H2SO4↑/span>CR3+ |
||
有效朞/span> |
2平/span> |
||
使用温度范围 |
0,/span>40℃:'/span> CH3OH?/span> C4H8O2温度校正(/span> 常温9/span> CLCH2CH2OH |
||
测量结果 '/span>ppm(/span> |
CH3OH=读取值(ppm)(需要温度校正,见校正表(/span> C4H8O2=【读取值(ppm)与“换算目盚/span>“span>图表换算且需要温度校正,见校正表【/span> CLCH2CH2OH=【读取值(ppm)与“换算目盚/span>“span>图表换算【/span> 浓度单位换算见下面公弎/span> |
||
湿度的影哌/span> |
旟/span> |
||
反应原理 |
CH3OH+CR6++H2SO4↑/span>CR3+ |
||
影响 |
某些气体会使刻度值偏髗/span> |
||
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佒/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,读倻/span> 如果取气量增多,则重复③-⑤操作步骤 |
*?/span>1:在测定场合检浊/span>C4H8O2时,使用日文说明书第二页“换算目盛”的刻度图换箖/span>
测定C4H8O2时,温度对检测结果有影响所以要参照温度校正系数表进行校正、/span>
*?/span>2:测宙/span>CLCH2CH2OH时,取气量增多,操作步骤需重复③-⑤项操作步骤、/span>
浓度单位换算:(at20℃)CH3OH:测定浓度'/span>mg/m3(/span>=1.33测定浓度'/span>ppm(/span>
C4H8O2:测定浓度'/span>mg/m3(/span>=3.66测定浓度'/span>ppm(/span>
CLCH2CH2OH:测定浓度'/span>mg/m3(/span>=3.35测定浓度'/span>ppm(/span>
l使用环境9/span>
?--20℃使用甲醇时,请使用温度补正表补正?0--40℃时不需温度补正、/span>
在温度不?0℃的情况下使?.4-二氧杂环乙烷时,请使用温度补正表补正、/span>
常温情况下(15--25℃)对乙烯氯醇无影响、/span>
甲醇温度补正表(20℃标准) 1.4-二氧杂环乙烷温度补正?20℃标?
读取倻/span> |
真实CH3OH浓度'/span>ppm(/span> |
||
0ℂ/span> |
10ℂ/span> |
20℃-40ℂ/span> |
|
1000 |
1200 |
1100 |
1000 |
800 |
960 |
880 |
800 |
600 |
720 |
660 |
600 |
400 |
480 |
440 |
400 |
200 |
240 |
220 |
200 |
100 |
120 |
110 |
100 |
50 |
60 |
55 |
50 |
20 |
24 |
22 |
20 |
读取倻/span> |
真实C4H8O2浓度'/span>ppm(/span> |
||||
0ℂ/span> |
10ℂ/span> |
20ℂ/span> |
30ℂ/span> |
40ℂ/span> |
|
500 |
700 |
600 |
500 |
470 |
440 |
400 |
480 |
440 |
400 |
370 |
350 |
300 |
370 |
330 |
300 |
280 |
260 |
200 |
250 |
220 |
200 |
190 |
170 |
100 |
130 |
110 |
100 |
90 |
85 |
50 |
65 |
60 |
50 |
45 |
40 |
20 |
25 |
23 |
20 |
18 |
15 |
湿度:无影响
气压:根据下面的公式进行气压补正、/span>
◎span>换算刻度
?.4-二氧杂环乙烷?/span>
真的1.4-二氧杂环乙烷浓度(ppm(/span>
检测管指示值(ppm(/span>
〇乙烯氯醇用
真的乙烯氯醇浓度(ppm(/span>
检测管指示值(ppm(/span>
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