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乙硫醇C2H5SH檢氣管165SB ETHYL MERCAPTAN 2.5-80ppm,有限空間氣體檢測(cè)箱,用于有限空間現(xiàn)場(chǎng)不明氣體的快速定性及定量測(cè)定:氣體快速定量檢測(cè)管各1包,包括CO,H2S,SO2,NH3,HCl,CO2,Cl2,苯,汽油等物質(zhì)檢測(cè)管,提供危險(xiǎn)化學(xué)品事故現(xiàn)場(chǎng)處置方案、隔離距離和防護(hù)距離的“應(yīng)急輔助信息"查詢功能;提供危險(xiǎn)化學(xué)品詳細(xì)特性和應(yīng)急輔助信息查詢結(jié)果。
更新時(shí)間:2024-12-18
在線留言乙硫醇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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