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當前位置:上海境宣實業(yè)有限公司>>日本光明北川式氣體檢測管>>氣體快速檢測管>> 165SB乙硫醇C2H5SH檢氣管165SB ETHYL MERCAPTAN 2.5-80ppm
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產(chǎn)品型號165SB
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所 在 地上海市
更新時間:2024-11-20 11:25:25瀏覽次數(shù):1635次
聯(lián)系我時,請告知來自 化工儀器網(wǎng)室內(nèi)空氣甲醛檢測管No.713 FORMALDEHYDE 0.01-0
氯乙烯CH2=CHCl氣體測毒管132SC VINYL CHLORID
氯乙烯CH2=CHCl氣體檢知管132SB VINYL CHLORID
乙硫醇C2H5SH檢氣管165SB ETHYL MERCAPTAN 2.5-80ppm
1. PERFORMANCE
1) Measuring range :5-80 ppm 2.5-40 ppm
Number of pump strokes :1/2(50ml) 1(100ml)
2) Sampling time :30 minutes/ 1/2 pump strokes
3) Detectable limit :1 ppm(100ml)
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1/2 pump strokes
7) Colour change :Yellow→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low: 15 % RSD-mid.: 10 % RSD-high:5%
3. CHEMICAL REACTION
By reacting with Mercuric chloride, Hydrogen chloride is produced and PH indicator is discoloured.
C2H5SH+HgCl2→C2H5S(HgCl)+HCl
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
80
60
40
20
10
5
50ml
ppm
GAS To pump
(White)
DEHUMIDIFIER
Tube 165SB ETHYL MERCAPTAN
127
Substance Interference ppm Coexistence
Hydrogen sulphide Similar stain is produced. Higher readings are given.
Phosphine 〃〃
Other mercaptans 〃〃
Arsine 〃〃
Hydrogen selenide 〃〃
Hydrogen cyanide 〃〃
Nitrogen dioxide
The accuracy of readings is Lower readings are given.
affected
Ammonia 〃〃
Sulphur dioxide 〃
In case of 1 pump strokes, divide the tube reading by 2.
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