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二硫化碳CS2气体检测管141SA CARBON DISULPHIDE 30-500ppm

简要描述:

二硫化碳CS2气体检测管141SA CARBON DISULPHIDE 30-500ppm,在对检测目标气体进行检测时,先将检测管两端切断,通过采集器将一定量需要检测的气体抽入检测管内,检测管内就会立刻与检测试剂发生反应,并出现颜色的变化。通过变化层所在的相应位置,读取该气体的浓度。

更新时间:2018-03-25

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二硫化碳CS2气体检测管141SA CARBON DISULPHIDE 30-500ppm

二硫化碳CS2气体检测管141SA CARBON DISULPHIDE 30-500ppm

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
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