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简单介绍：
二硫化碳CS2气体检测管141SA
二硫化碳CS2气体检测管141SA，二硫化碳CS2气体检测管141SA CARBON DISULPHIDE 30-500ppm，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：
二硫化碳CS2气体检测管141SA
二硫化碳CS2气体检测管141SA，二硫化碳CS2气体检测管141SA CARBON DISULPHIDE 30-500ppm，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.
1. PERFORMANCE
1) Measuring range ：30-500 ppm
Number of pump strokes 1(100ml)
2) Sampling time ：2 minutes/1 pump stroke
3) Detectable limit ：10 ppm
4) Shelf life ：2 years(Necessary to store in a refrigerated place ; 0～10℃)
5) Operating temperature ：0～40℃
6) Temperature compensation ：Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading ：Direct reading from the scale calibrated by 1 pump stroke
8) Colour change ：Pink→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD.-mid.：5％ RSD.-high：5％
3. CHEMICAL REACTION
Sulphur dioxide is produced by an Oxidizer.
By reacting between this Sulphur dioxide and alkali,
PH indicator is discoloured.
CS2＋CrO3＋H2SO4→SO2
SO2＋2NaOH→Na2SO3＋H2O
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
30
50
100
150
200
250
300
350
400
450
500
GAS To pump
(White) (Yellow)
PRETREAT TUBE DETECTOR TUBE
141SA CARBON DISULPHIDE
Substance ppm Interference ppm Coexistence
Sulphur dioxideFIG.1 500 Similar stain is produced. Higher readings are given.
Hydrogen sulphFidIGe.2 400 〃400 〃
Chlorine White stain is produced. 〃
0
500
400
300
200
100
Sulphur dioxide〔ppm〕?
FIG.1 Influence of Sulphur dioxide
Carbon disulphide
indicating value 〔ppm〕
100 200
Coexistence
Interference
Coexistence
Interference
0
500
400
300
200
100
Hydrogen sulphide〔ppm〕?
FIG.2 Influence of Hydrogen sulphide
Carbon disulphide
indicating value 〔ppm〕
200 400 600
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
500 600 550 500 490 470
450 540 500 450 440 430
400 480 440 400 390 370
350 420 380 350 340 330
300 360 330 300 290 280
250 300 270 250 240 230
200 240 220 200 190 180
150 180 170 150 140 130
100 120 110 100 95 90
50 60 55 50 50 50
30 35 30 30 30 30
1. PERFORMANCE
1) Measuring range ：30-500 ppm
Number of pump strokes 1(100ml)
2) Sampling time ：2 minutes/1 pump stroke
3) Detectable limit ：10 ppm
4) Shelf life ：2 years(Necessary to store in a refrigerated place ; 0～10℃)
5) Operating temperature ：0～40℃
6) Temperature compensation ：Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading ：Direct reading from the scale calibrated by 1 pump stroke
8) Colour change ：Pink→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD.-mid.：5％ RSD.-high：5％
3. CHEMICAL REACTION
Sulphur dioxide is produced by an Oxidizer.
By reacting between this Sulphur dioxide and alkali,
PH indicator is discoloured.
CS2＋CrO3＋H2SO4→SO2
SO2＋2NaOH→Na2SO3＋H2O
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
30
50
100
150
200
250
300
350
400
450
500
GAS To pump
(White) (Yellow)
PRETREAT TUBE DETECTOR TUBE
141SA CARBON DISULPHIDE
Substance ppm Interference ppm Coexistence
Sulphur dioxideFIG.1 500 Similar stain is produced. Higher readings are given.
Hydrogen sulphFidIGe.2 400 〃400 〃
Chlorine White stain is produced. 〃
0
500
400
300
200
100
Sulphur dioxide〔ppm〕?
FIG.1 Influence of Sulphur dioxide
Carbon disulphide
indicating value 〔ppm〕
100 200
Coexistence
Interference
Coexistence
Interference
0
500
400
300
200
100
Hydrogen sulphide〔ppm〕?
FIG.2 Influence of Hydrogen sulphide
Carbon disulphide
indicating value 〔ppm〕
200 400 600
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
500 600 550 500 490 470
450 540 500 450 440 430
400 480 440 400 390 370
350 420 380 350 340 330
300 360 330 300 290 280
250 300 270 250 240 230
200 240 220 200 190 180
150 180 170 150 140 130
100 120 110 100 95 90
50 60 55 50 50 50
30 35 30 30 30 30