中文字幕人成无码人妻综合社区_欧美一区二区三区视频在线观看_亚洲AV无码久久寂寞少妇_久久久久国产精品无套专区

產品列表PRODUCTS LIST

首頁>產品中心>日本光明北川式氣體檢測管>氣體快速檢測管>132SA氯乙(yi)烯CH2=CHCl氣體檢測管132SA VINYL CHLORIDE 0.05-1.0%

氯乙烯CH2=CHCl氣體檢測管132SA VINYL CHLORIDE 0.05-1.0%

簡要描述:

氯(lv)(lv)乙(yi)(yi)烯(xi)(xi)CH2=CHCl氣(qi)體檢測管132SA VINYL CHLORIDE 0.05-1.0%,乙(yi)(yi)烯(xi)(xi)又名乙(yi)(yi)烯(xi)(xi)基氯(lv)(lv)(Vinyl chloride)是(shi)(shi)一種應用于高(gao)分子化工的(de)重要(yao)的(de)單體,可(ke)由乙(yi)(yi)烯(xi)(xi)或(huo)乙(yi)(yi)炔制得。為無色、易液化氣(qi)體,沸點-13.9℃,臨(lin)界(jie)溫度142℃,臨(lin)界(jie)壓力(li)5.22MPa。氯(lv)(lv)乙(yi)(yi)烯(xi)(xi)是(shi)(shi)有(you)毒物質(zhi),肝癌(ai)與長(chang)期吸(xi)入和接觸氯(lv)(lv)乙(yi)(yi)烯(xi)(xi)有(you)關。它(ta)與空氣(qi)形成爆(bao)炸(zha)混合物,爆(bao)炸(zha)極限(xian)4%~22%(體積(ji)),在壓力(li)下(xia)更易爆(bao)炸(zha),貯運時必須(xu)注意(yi)容(rong)器的(de)密閉及氮封,并應添加少(shao)量阻聚劑。

更新時間(jian):2024-05-08

在線留言
氯乙烯CH2=CHCl氣體檢測管132SA VINYL CHLORIDE 0.05-1.0%

氯乙烯CH2=CHCl氣體檢測管(guan)132SA VINYL CHLORIDE 0.05-1.0%

Tube 32SA
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.