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简单介绍：
环氧乙烷CH2CH2O气体检测管122SB
环氧乙烷CH2CH2O气体检测管122SB，环氧乙烷CH2CH2O气体检测管122SB ETHYLENE OXIDE 5-100ppm，日本光明理化工业株式会社从1947年开始，在气体分析领域开拓了六十余年 , 形成了驰名于世的 ” 北川 ” 式气体检测管。
详情介绍：
环氧乙烷CH2CH2O气体检测管122SB
环氧乙烷CH2CH2O气体检测管122SB，环氧乙烷CH2CH2O气体检测管122SB ETHYLENE OXIDE 5-100ppm，日本光明理化工业株式会社从1947年开始，在气体分析领域开拓了六十余年 , 形成了驰名于世的 ” 北川 ” 式气体检测管。气体快速分析法 ” 北川 ” 的历史就是日本检测管的历史 。目前是世界上*大的检测管生产厂家，也是日本**家通过美国SEI的认证，欧盟的认证的检测管厂家。公司不仅有ISO9001:2000的认证，还获得了环境管理的ISO14001的认证。北川式手动气体采集器AP-20 备有采气完成指示计 , 可以清楚的判明采气是否完成 . • 有专门截留玻璃的截留槽 , 以防止检测管割尖时玻璃片飞溅 . • 有采气容积为 50 毫升和 100 毫升的两段式制动卡 . • 采气器极为小巧 , 并有便于携带的皮具包 。
Tube No.122SB
1. PERFORMANCE
1) Measuring range ：5-100 ppm
Number of pump strokes 2(200ml)
2) Sampling time ：3 minutes/2 pump strokes
3) Detectable limit ：0.5 ppm(200ml)
4) Shelf life ：2 years
5) Operating temperature ：0～40℃
6) Temperature compensation ：Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading ：Direct reading from the scale calibrated by 2 pump strokes
8) Colour change ：Pink→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：5％ RSD-high：5％
3. CHEMICAL REACTION
By decomposing with an Oxidizer, Formic acid is produced and PH indicator is discoloured.
CH2CH2O＋H2SO4→HOCH2CH2OH
HOCH2CH2OH＋HIO4→2HCHO＋HIO3＋H2O
HCHO＋HIO4＋H2SO4→HCO2H＋HIO3
HCO2H＋NaOH→Na(HCOO)＋H2O
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
????
GAS To pump
DETECTOR TUBE
(White)
PRETREAT TUBE
100
80
60
40
20
10
5
????
????
????
122SB ETHYLENE OXIDE
Substance Interference Coexistence
Formaldehyde Similar stain is produced. Higher readings are given.
Propylene 〃〃
Acetone Ytheell ogwas s itnalient ies dpgroed. uced a little on Lower readings are given.
Diethyl ether Plitatlele o onr athneg eg assta ininle its e pdrgoed.uced a 〃
TEMPERATURE CORRECTION TABLE
Scale Corrected Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
100 － 125 100 80 70
80 － 100 80 64 56
60 140 75 60 48 42
40 80 50 40 32 28
20 32 25 20 17 14
10 15 12 10 9 7
5 7 6 5 5 4
1. PERFORMANCE
1) Measuring range ：5-100 ppm
Number of pump strokes 2(200ml)
2) Sampling time ：3 minutes/2 pump strokes
3) Detectable limit ：0.5 ppm(200ml)
4) Shelf life ：2 years
5) Operating temperature ：0～40℃
6) Temperature compensation ：Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading ：Direct reading from the scale calibrated by 2 pump strokes
8) Colour change ：Pink→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：5％ RSD-high：5％
3. CHEMICAL REACTION
By decomposing with an Oxidizer, Formic acid is produced and PH indicator is discoloured.
CH2CH2O＋H2SO4→HOCH2CH2OH
HOCH2CH2OH＋HIO4→2HCHO＋HIO3＋H2O
HCHO＋HIO4＋H2SO4→HCO2H＋HIO3
HCO2H＋NaOH→Na(HCOO)＋H2O
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
????
GAS To pump
DETECTOR TUBE
(White)
PRETREAT TUBE
100
80
60
40
20
10
5
????
????
????
122SB ETHYLENE OXIDE
Substance Interference Coexistence
Formaldehyde Similar stain is produced. Higher readings are given.
Propylene 〃〃
Acetone Ytheell ogwas s itnalient ies dpgroed. uced a little on Lower readings are given.
Diethyl ether Plitatlele o onr athneg eg assta ininle its e pdrgoed.uced a 〃
TEMPERATURE CORRECTION TABLE
Scale Corrected Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
100 － 125 100 80 70
80 － 100 80 64 56
60 140 75 60 48 42
40 80 50 40 32 28
20 32 25 20 17 14
10 15 12 10 9 7
5 7 6 5 5 4