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首頁>產(chǎn)品中心>日本光明北川式氣體檢測(cè)管>氣體快速檢測(cè)管>185S丙烯CH2=CHCH3氣體檢測(cè)管185S PROPYLENE 50-1000ppm

丙烯CH2=CHCH3氣體檢測(cè)管185S PROPYLENE 50-1000ppm

簡要描述:

丙烯CH2=CHCH3氣體檢測(cè)管185S PROPYLENE 50-1000ppm,檢測(cè)管: 是一種使用簡便、價(jià)格低廉的氣體檢測(cè)工具,可以定量、定性、定值地檢測(cè)有害的氣體先用定性檢測(cè)管判斷那種物質(zhì)存在,再用定量檢測(cè)管判斷該有害氣體的含量。 1.檢測(cè)管適用行業(yè) 煤礦和石油化工行業(yè)的安全防護(hù)應(yīng)急檢測(cè);突發(fā)事件的應(yīng)急檢測(cè);生產(chǎn)設(shè)備動(dòng)火和進(jìn)入密閉設(shè)備前的安全分析;用于檢查生產(chǎn)設(shè)備管道泄漏情況;用于大氣、水質(zhì)等環(huán)境監(jiān)測(cè)和工業(yè)設(shè)備廢水污染監(jiān)測(cè);用于各種地質(zhì)勘探和礦山開采中地下溢出的氣體和污染分析

更新時(shí)間:2025-03-11

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丙烯CH2=CHCH3氣體檢測(cè)管185S PROPYLENE 50-1000ppm

丙烯CH2=CHCH3氣體檢測(cè)管185S PROPYLENE 50-1000ppm

Tube 85S
1. PERFORMANCE
1) Measuring range :50-1,000 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :10 ppm
4) Shelf life :2 years
5) Operating temperature :10~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Yellow→Dark blue
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Molybdate is reduced and molybdeum blue is produced.
CH3CH=CH2+PdSO4+(NH4)2MoO4→Mo3O8
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
1000
900
800
700
600
500
400
300
200
100
50
ppm
GAS To pump
DEHUMIDIFIER
(White)
185S PROPYLENE
Substance ppm Interference ppm Coexistence
Carbon monoxide 45 Similar stain is produced. 200 Higher readings are given.
Acetylene Brown stain is produced. 50 〃
Ethyene Similar stain is produced. 〃
Hydrogen sulphide 10 Black stain is produced. 50 Double-layer stain is produced
and higher readings are given.
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 20℃ 30℃ 40℃
(ppm) (50°F) (68°F) (86°F) (104°F)
1,000 870 1,000 - -
800 760 800 900 1,000
600 540 600 660 720
400 380 400 420 440
200 200 200 200 200