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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>158S苯乙烯C6H5CH=CH2氣體檢測管158S STYRENE 2.5-300ppm

                      苯乙烯C6H5CH=CH2氣體檢測管158S STYRENE 2.5-300ppm

                      簡要描述:

                      苯乙烯C6H5CH=CH2氣體檢測管158S STYRENE 2.5-300ppm,化學品英文名稱: phenylethylene ,Ethenylbenzene, Styrol, Vinyl benzene, Cinnamene, Styrolene, Cinnamol,中文名稱2: 乙烯基苯 ,乙烯苯,蘇合香烯,斯替林,健康危害: 對眼和上呼吸道粘膜有刺激和麻醉作用。急性中毒:高濃度時,立即引起眼及上呼吸道粘膜的刺激,出現(xiàn)眼痛、流淚、流涕、噴嚏、咽痛、咳嗽等,繼之頭痛、頭暈、惡心、嘔吐等

                      更新時間:2024-12-26

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                      苯乙烯C6H5CH=CH2氣體檢測管158S STYRENE 2.5-300ppm

                      苯乙烯C6H5CH=CH2氣體檢測管158S STYRENE 2.5-300ppm

                      Tube 58S
                      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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