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首頁>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>108B乙烯H2C=CH2氣體檢測管108B Ethylene 0.01-100ppm

乙烯H2C=CH2氣體檢測管108B Ethylene 0.01-100ppm

簡要描述:

乙烯H2C=CH2氣體檢測管108B Ethylene 0.01-100ppm, 在使用氧氣檢測管檢測時,為什么會發(fā)熱呢?如果是冬天你使用過用來保暖的保暖袋,在打開袋子搖晃后,你會發(fā)現(xiàn)它突然變暖了。這是因為里面的含鐵元素的物質的作用,氧氣分子被吸附進含鐵元素的顆粒的間隙,并且產(chǎn)生熱量。氧氣檢測管里有鈦元素。當氧氣分子與鈦的顆粒接觸吸附,在發(fā)生變色的同時,也會放出熱量(就像上面提到的保暖袋一樣)。

更新時間:2024-10-23

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乙烯H2C=CH2氣體檢測管108B Ethylene 0.01-100ppm

乙烯H2C=CH2氣體檢測管108B Ethylene 0.01-100ppm

Tube 08B
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.

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