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當(dāng)前位置:上海境宣實(shí)業(yè)有限公司>>日本光明北川式氣體檢測(cè)管>>氣體快速檢測(cè)管>> 179S乙苯C6H5C2H5氣體檢測(cè)管179S Ethyl benzene 10-500ppm
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產(chǎn)品型號(hào)179S
品 牌
廠商性質(zhì)代理商
所 在 地上海市
更新時(shí)間:2024-11-20 11:14:15瀏覽次數(shù):1177次
聯(lián)系我時(shí),請(qǐng)告知來自 化工儀器網(wǎng)苯氣體檢測(cè)管118SB BENZENE 5-300ppm
室內(nèi)空氣甲醛檢測(cè)管No.713 FORMALDEHYDE 0.01-0
氯乙烯CH2=CHCl氣體測(cè)毒管132SC VINYL CHLORID
氯乙烯CH2=CHCl氣體檢知管132SB VINYL CHLORID
乙苯C6H5C2H5氣體檢測(cè)管179S Ethyl benzene 10-500ppm
Tube 79S
1. PERFORMANCE
1) Measuring range :10-500 ppm
Number of pump strokes 1(100ml)
2) Sampling time :2 minutes/1 pump stroke
3) Detectable limit :2 ppm
4) Shelf life :1.5 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :White→Brown
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:5%
3. CHEMICAL REACTION
Iodine pentoxide is reduced.
C6H5C2H5+I(xiàn)2O5+H2SO4→I2
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
500
400
300
200
100
50
10
ppm
100ml
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179S ETHYL BENZENE
Substance Interference ppm Coexistence
Benzene Similar stain is produced. 10 Higher readings are given.
Toluene 〃25 〃
Xylene 〃50 〃
Methanol Tafhfeec atecdc.uracy of readings is not 1% 〃
Hexane Pale brown stain is produced. 0.1% 〃
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