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>108B乙烯H2C=CH2气体检测管108B Ethylene 0.01-100ppm

乙烯H2C=CH2气体检测管108B Ethylene 0.01-100ppm

简要描述:

乙烯H2C=CH2气体检测管108B Ethylene 0.01-100ppm, 在使用氧气检测管检测时,为什么会发热呢?如果是冬天你使用过用来保暖的保暖袋,在打开袋子摇晃后,你会发现它突然变暖了。这是因为里面的含铁元素的物质的作用,氧气分子被吸附进含铁元素的颗粒的间隙,并且产生热量。氧气检测管里有钛元素。当氧气分子与钛的颗粒接触吸附,在发生变色的同时,也会放出热量(就像上面提到的保暖袋一样)。

更新时间:2017-08-01

发邮件给我们:554328895@qq.com

分享到: 1
在线留言
乙烯H2C=CH2气体检测管108B Ethylene 0.01-100ppm

乙烯H2C=CH2气体检测管108B Ethylene 0.01-100ppm

Tube No.108B
1. PERFORMANCE
1) Measuring range :0.5-100 ppm 0.1-20 ppm
Number of pump strokes 1(100ml) 5(500ml)
2) Sampling time :2 minutes/1 pump stroke
3) Detectable limit :0.01 ppm(500ml)
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Reading :Colour intensity method
7) Colour change :Pale yellow→Blue
2. RELATIVE STANDARD DEVIATION
RSD-low:  RSD-mid.:  RSD-high:
3. CHEMICAL REACTION
Molybdate is reduced and molybdeum blue is produced.
H2C=CH2+PdSO4+(NH4)2MoO4→Mo3O8
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS
REAGENT
First section Second section
(Pale yellow)
REAGENT
(Pale yellow)
To pump
108B ETHYLENE
Substance Interference ppm Coexistence
Whole reagent is discoloured to
Hydrogen(over 40℃) Similar stain is produced. 10% Blue and higher readings are
given.
Saturated hydrocarbons 〃Higher readings are given.
Acetylene Dark blue stain is produced. 〃
Carbon monoxide Green or Blue stain is produced. 〃
Hydrogen sulphide Black stain is produced. 1,000 〃
Hydrogen cyanide Original colour is faded to White. 〃
Benzene Yellowish orange or Yellowish
brown stain is produced.
Carbon disulphide 〃
Chlorine 〃
Nitrogen dioxide 〃1
Ammonia Original colour is faded. Lower readings are given.

联系人
在线客服
用心服务 成就你我