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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>120SC硫化氢H2S气体检测管120SC HYDROGEN SULPHIDE 0.005-0.16%

硫化氢H2S气体检测管120SC HYDROGEN SULPHIDE 0.005-0.16%

简要描述:

硫化氢H2S气体检测管120SC HYDROGEN SULPHIDE 0.005-0.16%,危险特性:易燃,与空气混合能形成爆炸性混合物,遇明火、高热能引起燃烧爆炸。与浓硝酸、发烟硫酸或其它强氧化剂剧烈反应,发生爆炸。气体比空气重,能在较低处扩散到相当远的地方,遇明火会引起回燃。呼吸系统防护:空气中浓度超标时,佩带过渡式防毒面具(半面罩)。紧急事态抢救或撤离时,建议佩带氧气呼吸器或空气呼吸器。

更新时间:2018-01-25

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硫化氢H2S气体检测管120SC HYDROGEN SULPHIDE 0.005-0.16%

硫化氢H2S气体检测管120SC HYDROGEN SULPHIDE 0.005-0.16%

Tube No.120SC
1. PERFORMANCE
1) Measuring range :0.005-0.16%
Number of pump strokes 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :20 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :Pale yellow→Dark blue
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with Palladium sulphate and Ammonium molybdate, Palladium sulphate is produced.
H2S+PdSO4+(NH4)2MoO4→PdS
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.03
0.02
0.01
0.005
100ml
%
􀀀􀀀
120SC HYDROGEN SULPHIDE
Substance Interference ppm Coexistence
Carbon monoxide 10 Blue stain is produced and higher readings
are given.
Ethylene 5 Higher readings are given.
Propylene 5 〃
Butylene 5 〃
Acetylene 5 〃
Methyl mercaptan 5 〃
Hydrogen cyanide White stain is produced and the discolouration
by Hydrogen sulphide is interfered.
Ammonia 〃
If there is coexistence of Sulphur dioxide less than 6%, the accuracy of readings is not affected.
TEMPERATURE CORRECTION TABLE
Scale True Concentration (%)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
0.16 0.14 0.15 0.16 0.17 0.17
0.14 0.13 0.13 0.14 0.15 0.15
0.12 0.11 0.12 0.12 0.13 0.13
0.10 0.09 0.10 0.10 0.10 0.11
0.08 0.07 0.08 0.08 0.08 0.09
0.06 0.05 0.06 0.06 0.06 0.07
0.04 0.04 0.04 0.04 0.04 0.04
0.03 0.03 0.03 0.03 0.03 0.03
0.02 0.02 0.02 0.02 0.02 0.02

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