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简单介绍：
三氯甲烷CHCl3氯仿气体检测管152S
三氯甲烷CHCl3氯仿气体检测管152S ，三氯甲烷CHCl3氯仿气体检测管152S CHLOROFORM 23-500ppm，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：
三氯甲烷CHCl3氯仿气体检测管152S
三氯甲烷CHCl3氯仿气体检测管152S ，三氯甲烷CHCl3氯仿气体检测管152S CHLOROFORM 23-500ppm，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.152S
1. PERFORMANCE
1) Measuring range ：70-500 ppm 35-250 ppm 23-167 ppm
Number of pump strokes 2(200ml) 3(300ml) 4(400ml)
2) Sampling time ：3 minutes/2 pump strokes
3) Detectable limit ：20 ppm(400ml)
4) Shelf life ：2 years(Necessary to store in a refrigerated place ; 0～10℃)
5) Operating temperature ：10～40℃
6) Temperature compensation ：Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading ：Direct reading from the scale calibrated by 2 pump strokes
8) Colour change ：White→Yellowish orange
2. RELATIVE STANDARD DEVIATION
RSD-low：20％ RSD-mid.：15％ RSD-high：15％
3. CHEMICAL REACTION
Chlorine is produced by an Oxidizer.
CrO3＋H2SO4→(O)
CHCI3＋(O)→CI2＋H2O＋CO
CI2＋C14H16N2→C14H14N2＋2HCI
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
????
GAS To pump
DETECTOR TUBE
(Olive) (white)
PRETREAT TUBE
500
400
300
200
100
70
152S CHLOROFORM
Substance Interference ppm Coexistence
Halogens Similar stain is produced. Higher readings are given.
Halogenated hydrocarbons 〃〃
n-Hexane FIG.2 200 Lower readings are given.
(NOTE)
In case of 3 pump strokes, following formula is available for the actual concentration.
Actual concentration＝1/2×Temperature corrected value.
In case of 4 pump strokes, following formula is available for the actual concentration.
Actual concentration＝1/3×Temperature corrected value.
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 15℃ 20℃ 30℃ 40℃
(ppm) (50°F) (59°F) (68°F) (95°F) (95°F)
500 － － 500 335 260
400 － 520 400 280 215
300 590 390 300 215 165
200 380 260 200 145 115
100 180 130 100 80 65
70 120 85 70 60 50
0
400
600
200
Toluene〔％〕?
FIG.1 Influence of Toluene
Chloroform indicating value 〔ppm〕
0.1 0.2 0.3 0
400
600
200
n-Hexane〔ppm〕?
FIG.2 Influence of n-Hexane
Chloroform indicating value 〔ppm〕
200 400 600 800
1. PERFORMANCE
1) Measuring range ：70-500 ppm 35-250 ppm 23-167 ppm
Number of pump strokes 2(200ml) 3(300ml) 4(400ml)
2) Sampling time ：3 minutes/2 pump strokes
3) Detectable limit ：20 ppm(400ml)
4) Shelf life ：2 years(Necessary to store in a refrigerated place ; 0～10℃)
5) Operating temperature ：10～40℃
6) Temperature compensation ：Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading ：Direct reading from the scale calibrated by 2 pump strokes
8) Colour change ：White→Yellowish orange
2. RELATIVE STANDARD DEVIATION
RSD-low：20％ RSD-mid.：15％ RSD-high：15％
3. CHEMICAL REACTION
Chlorine is produced by an Oxidizer.
CrO3＋H2SO4→(O)
CHCI3＋(O)→CI2＋H2O＋CO
CI2＋C14H16N2→C14H14N2＋2HCI
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
????
GAS To pump
DETECTOR TUBE
(Olive) (white)
PRETREAT TUBE
500
400
300
200
100
70
152S CHLOROFORM
Substance Interference ppm Coexistence
Halogens Similar stain is produced. Higher readings are given.
Halogenated hydrocarbons 〃〃
n-Hexane FIG.2 200 Lower readings are given.
(NOTE)
In case of 3 pump strokes, following formula is available for the actual concentration.
Actual concentration＝1/2×Temperature corrected value.
In case of 4 pump strokes, following formula is available for the actual concentration.
Actual concentration＝1/3×Temperature corrected value.
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 15℃ 20℃ 30℃ 40℃
(ppm) (50°F) (59°F) (68°F) (95°F) (95°F)
500 － － 500 335 260
400 － 520 400 280 215
300 590 390 300 215 165
200 380 260 200 145 115
100 180 130 100 80 65
70 120 85 70 60 50
0
400
600
200
Toluene〔％〕?
FIG.1 Influence of Toluene
Chloroform indicating value 〔ppm〕
0.1 0.2 0.3 0
400
600
200
n-Hexane〔ppm〕?
FIG.2 Influence of n-Hexane
Chloroform indicating value 〔ppm〕
200 400 600 800