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苯乙烯C6H5CH=CH2气体检测管158S STYRENE 2.5-300ppm

简要描述:

苯乙烯C6H5CH=CH2气体检测管158S STYRENE 2.5-300ppm,化学品英文名称: phenylethylene ,Ethenylbenzene, Styrol, Vinyl benzene, Cinnamene, Styrolene, Cinnamol,中文名称2: 乙烯基苯 ,乙烯苯,苏合香烯,斯替林,健康危害: 对眼和上呼吸道粘膜有刺激和麻醉作用。急性中毒:高浓度时,立即引起眼及上呼吸道粘膜的刺激,出现眼痛、流泪、流涕、喷嚏、咽痛、咳嗽等,继之头痛、头晕、恶心、呕吐等

更新时间:2017-07-17

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苯乙烯C6H5CH=CH2气体检测管158S STYRENE 2.5-300ppm

苯乙烯C6H5CH=CH2气体检测管158S STYRENE 2.5-300ppm

Tube No.158S
1. PERFORMANCE
1) Measuring range :5-300 ppm 2.5-150 ppm
Number of pump strokes 1(100ml) 2(200ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.5 ppm(200ml)
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 :White→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:15% RSD-high : 10%
3. CHEMICAL REACTION
A polymer of Styrene is produced by sulphuric acid.
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
300
250
200
150
100
50
20
5
ppm
GAS To pump
158S STYRENE
Substance ppm Interference ppm Coexistence
Acrylonitrile FIG.1 Tafhfeec atecdc.uracy of readings is not 400 Lower readings are given.
Butadiene 3 Similar stain is produced. 5 Uneven discolouration is produced
FIG.2 and higher readings are given.
Formaldehyde 〃15 Yellowish orange stain is produced
FIG.3 and higher readings are given.
Acetaldehyde 〃350 Similar stain is produced and
higher readings are given.
Methyl alcohol The accuracy of readings is not 0.35% Pale discolouration is produced
affected. and higher readings are given.
Ethyl alcohol 〃0.18% 〃
Ethyl acetate 〃700 〃
Butyl acetate 〃700 〃
(NOTE)
In case of 2 pump strokes, following formula is available for actual concentration.
Actual concentration=1/2×Reading value.
0
200
100
Acrylonitrile Butadiene
FIG.1 Influence of Acrylonitrile Styrene indicating value 〔
ppm〕
500 1000 0
200
100
FIG.2 Influence of Butadiene
Styrene indicating value 〔ppm〕
〔ppm〕� 50 100 0
200
100
Formaldehyde
FIG.3 Influence of Formaldehyde

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