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乙(yi)硫醇C2H5SH檢(jian)氣管(guan)165SB ETHYL MERCAPTAN 2.5-80ppm,有限空(kong)間(jian)氣體(ti)檢(jian)測(ce)箱(xiang),用于有限空(kong)間(jian)現場不明(ming)氣體(ti)的(de)快速定性及定量(liang)測(ce)定:氣體(ti)快速定量(liang)檢(jian)測(ce)管(guan)各1包(bao),包(bao)括CO,H2S,SO2,NH3,HCl,CO2,Cl2,苯,汽(qi)油等物質檢(jian)測(ce)管(guan),提供危險(xian)(xian)化學品事(shi)故(gu)現場處(chu)置(zhi)方案(an)、隔離(li)距(ju)離(li)和防護距(ju)離(li)的(de)“應急輔助信(xin)息"查詢(xun)功能(neng);提供危險(xian)(xian)化學品詳細特性和應急輔助信(xin)息查詢(xun)結(jie)果。
更新(xin)時間(jian):2024-01-01
在線留言乙(yi)硫(liu)醇(chun)C2H5SH檢氣(qi)管(guan)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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