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首页>产品中心>日本光明北川式气体检测管>气体快速检测管>132SA氯乙烯CH2=CHCl气体检测管132SA VINYL CHLORIDE 0.05-1.0%

氯乙烯CH2=CHCl气体检测管132SA VINYL CHLORIDE 0.05-1.0%

简要描述:

氯乙烯CH2=CHCl气体检测管132SA VINYL CHLORIDE 0.05-1.0%,乙烯又名乙烯基氯(Vinyl chloride)是一种应用于高分子化工的重要的单体,可由乙烯或乙炔制得。为无色、易液化气体,沸点-13.9℃,临界温度142℃,临界压力5.22MPa。氯乙烯是有毒物质,肝癌与长期吸入和接触氯乙烯有关。它与空气形成爆炸混合物,爆炸极限4%~22%(体积),在压力下更易爆炸,贮运时必须注意容器的密闭及氮封,并应添加少量阻聚剂。

更新时间:2017-07-10

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氯乙烯CH2=CHCl气体检测管132SA VINYL CHLORIDE 0.05-1.0%

氯乙烯CH2=CHCl气体检测管132SA VINYL CHLORIDE 0.05-1.0%

Tube No.132SA
1. PERFORMANCE
1) Measuring range :0.05-1.0%
Number of pump strokes 1(100ml)
2) Sampling time :2 minutes/1 pump stroke
3) Detectable limit :10 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :Brownish orange→Brownish green
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH2=CHCI+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
0.9
0.7
0.8
1.0
0.6
0.5
0.4
0.3
0.2
0.1
0.05
%
132SA VINYL CHLORIDE
Substance Interference ppm Coexistence
Whole layer is discoloured Whole reagent is discoloured to
Acetylene to Brown. 3% gBirvoewnn. and higher readings are
Propane 〃0.2% 〃
Other organic gases or vapours
except Halogenated hydrocar- Similar stain is produced. 50 Higher readings are given.

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