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首頁>產品中心>日本光明北川式氣體檢測管>氣體快速檢測管>141SA二硫化碳CS2氣體檢測管141SA CARBON DISULPHIDE 30-500ppm

二硫化碳CS2氣體檢測管141SA CARBON DISULPHIDE 30-500ppm

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二硫化碳CS2氣體檢測管141SA CARBON DISULPHIDE 30-500ppm,在對檢測目標氣體進行檢測時,先將檢測管兩端切斷,通過采集器將一定量需要檢測的氣體抽入檢測管內,檢測管內就會立刻與檢測試劑發(fā)生反應,并出現(xiàn)顏色的變化。通過變化層所在的相應位置,讀取該氣體的濃度。

更新時間:2025-01-08

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二硫化碳CS2氣體檢測管141SA CARBON DISULPHIDE 30-500ppm

二硫化碳CS2氣體檢測管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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