产品列表PRODUCTS LIST

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>139SB乙酸异丙酯/醋酸异丙酯气体检测管139SB 0.01-1.2%

乙酸异丙酯/醋酸异丙酯气体检测管139SB 0.01-1.2%

简要描述:

乙酸异丙酯/醋酸异丙酯气体检测管 0.01-1.2%,CH3CO2CH(CH3)2,分子式 C5H10O2;CH3COOCH(CH3)2 外观与性状 无色透明液体,有果子样的芳香气味,危险特性:易燃,其蒸气与空气可形成爆炸性混合物。遇明火、高热能引起燃烧爆炸。与氧化剂能发生强烈反应。其蒸气比空气重,能在较低处扩散到相当远的地方,遇明火会引着回燃。139SB ISOPROPYL ACETATE (+)

更新时间:2017-07-30

发邮件给我们:554328895@qq.com

分享到: 1
在线留言
乙酸异丙酯/醋酸异丙酯气体检测管139SB 0.01-1.2%

乙酸异丙酯/醋酸异丙酯气体检测管139SB 0.01-1.2%

Tube No.139SB
1. PERFORMANCE
1) Measuring range :0.01-1.4%
Number of pump strokes 2(200ml)
2) Sampling time :4 minutes/2 pump strokes
3) Detectable limit :10 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Reading :Graduations printed on the tube are calibrated by Methyl ethyl ketone at 2 pump
strokes and Isobutyl acetate concentration is determined by using a conversion chart.
7) Colour change :Orange→Pale brownish green
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:5%
3. CHEMICAL REACTION
Potassium dichromate is reduced
CH3CO2CH2CH(CH3)2+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1.4
1.2
1.0
0.8
0.6
0.4
0.3
0.2
0.1
0.05
0.01
%
139SB C ISOBUTYL ACETATE
No.139SB Tube reading (%)�
Isobutyl acetate(%)�
1.0
0.8
0.6
1.4
1.2
0.4
0.2
0.1
0.05
0.01 0.01
0.1
0.2
0.5
1.0
1.4
(200mR)�
Substance Interference ppm Coexistence
Acetylene 3% Whole reagent is changed to Pale
brown.
Propane 0.2% 〃
Other organic gases or vapours Similar stain is produced.
except Halogenated hydrocar- 50 Higher readings are given.

联系人
在线客服
用心服务 成就你我