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乙硫醇C2H5SH氣體檢測(cè)管130U ETHYL MERCAPTAN 0.5-10ppm,有限空間氣體檢測(cè)箱可檢測(cè):一氧化碳25-1000ppm,二氧化碳0.05-3%,硫化氫1-100ppm,二氧化硫0.0001-0.01%,氨氣0.0001-0.01%,苯20-400mg/m3,氮氧化物5-100mg/m3,汽油50-1000mg/m3,氯氣1-30mg/m3,氯化氫1-30mg/m3,有機(jī)氣體定性,無(wú)機(jī)氣體定性。
更新時(shí)間:2024-11-20
在線留言乙硫醇C2H5SH氣體檢測(cè)管130U ETHYL MERCAPTAN 0.5-10ppm
Tube 30U
1. PERFORMANCE
1) Measuring range :1-10 ppm 0.5-5 ppm
Number of pump strokes :1/2(50ml) 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.2 ppm(100mr)
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by Methyl mercaptan at 1 pump stroke
7) Colour change :Pale yellow→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with Mercuric cholride, Hydrogen chloride is produced and PH indicator is discoloured.
C2H5SH+HgCI2→RS(HgCI)+HCI
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
????
GAS ???? To pump
5
4
3
2
1
0.5
100ml
ppm
(White)
DEHUMIDIFIER
130U ETHYL MERCAPTAN
Substance Interference Coexistence
Arsine Similar stain is produced. Higher readings are given.
Hydrogen selenide 〃〃
Phosphine 〃〃
Hydrogen sulphide 〃
Hydrogen cyanide Whole reagent is changed to Red. 〃
Whole reagent is changed to
Sulphur dioxide Pale red, but Pink stain indicates
Mercaptans conc.
(NOTE)
In case of 1 / 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=2×Reading value
上一篇:190U乙烷纖維素溶劑醋酸鹽C2H5OC2H4OCOCH3 190U 5-150ppm
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