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简单介绍：
北川式二氯甲烷CH2Cl2气体检测管180S
北川式二氯甲烷CH2Cl2气体检测管180S，二氯甲烷CH2Cl2气体检测管180S Dichloromethane 10-1000ppm,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
详情介绍：
北川式二氯甲烷CH2Cl2气体检测管180S
北川式二氯甲烷CH2Cl2气体检测管180S，二氯甲烷CH2Cl2气体检测管180S Dichloromethane 10-1000ppm,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.
180S
1. PERFORMANCE
1) Measuring range ：30-1,000 ppm 10-200 ppm
Number of pump strokes 2(200ml) 4(400ml)
2) Sampling time ：1.5 minutes/1 pump stroke
3) Detectable limit ：5 ppm(400ml)
4) Shelf life ：2 years(Necessary to store in a refrigerated place ; 0～10℃)
5) Operating temperature ：5～40℃
6) Temperature compensation ：Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading ：Direct reading from the scale calibrated by 2 pump strokes
8) Colour change ：White→Reddish orange
2. RELATIVE STANDARD DEVIATION
RSD-low：15％ RSD-mid.：15％ RSD-high：15％
3. CHEMICAL REACTION
Chlorine is produced an Oxidizer. By reacting between this Chlorine and o-Toluidine, Orthoquinone is produced.
CH3OCI3＋CrO3＋H2SO4→CI2
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
????
GAS To pump
DETECTOR TUBE
(Olive)
PRETREAT TUBE
1000
800
500
400
200
100
30
ppm
200ml
180S DICHLOROMETHANE
Substance Interference Coexistence
Halogens or Halogenated hydrocarbons Similar stain is produced. Higher readings are given.
FIG.1
(NOTE)
When the concentration is below 200 ppm, 4 pump strokes can be used to determine the lower concentration
Following formula is available for the actual concentration.
Actual concentration＝1/3×Temperature corrected value.
0
200
400
600
800
1000
Chlorine〔ppm〕?
FIG.1 Influence of Chlorine
180S
1. PERFORMANCE
1) Measuring range ：30-1,000 ppm 10-200 ppm
Number of pump strokes 2(200ml) 4(400ml)
2) Sampling time ：1.5 minutes/1 pump stroke
3) Detectable limit ：5 ppm(400ml)
4) Shelf life ：2 years(Necessary to store in a refrigerated place ; 0～10℃)
5) Operating temperature ：5～40℃
6) Temperature compensation ：Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading ：Direct reading from the scale calibrated by 2 pump strokes
8) Colour change ：White→Reddish orange
2. RELATIVE STANDARD DEVIATION
RSD-low：15％ RSD-mid.：15％ RSD-high：15％
3. CHEMICAL REACTION
Chlorine is produced an Oxidizer. By reacting between this Chlorine and o-Toluidine, Orthoquinone is produced.
CH3OCI3＋CrO3＋H2SO4→CI2
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
????
GAS To pump
DETECTOR TUBE
(Olive)
PRETREAT TUBE
1000
800
500
400
200
100
30
ppm
200ml
180S DICHLOROMETHANE
Substance Interference Coexistence
Halogens or Halogenated hydrocarbons Similar stain is produced. Higher readings are given.
FIG.1
(NOTE)
When the concentration is below 200 ppm, 4 pump strokes can be used to determine the lower concentration
Following formula is available for the actual concentration.
Actual concentration＝1/3×Temperature corrected value.
0
200
400
600
800
1000
Chlorine〔ppm〕?
FIG.1 Influence of Chlorine