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對氯甲苯,間氯甲苯C6H4Cl(CH3) 氣體檢測管132SC VINYL CHLORIDE (-) 0.5-10ppm,其毒性還和接觸時(shí)間有關(guān),例如長(cháng)期接觸 1.748×10 -7mol/L(4ppm) 以下的臭氧會(huì )引起*性心臟障礙,但接觸 20ppm 以下的臭氧不超過(guò) 2h,對人體無(wú)*性危害。 VINYL CHLORIDE (-) 氯乙烯檢測管,C6H4Cl(CH3) m-Chlorotoluene
更新時(shí)間:2024-07-14
在線(xiàn)留言氯乙烯檢測管,間氯甲苯C6H4Cl(CH3)氣體檢測管132SC VINYL CHLORIDE 0.5-10ppm
Tube 32SC
1. PERFORMANCE
1) Measuring range :0.4-12.0 ppm 0.2-6.0 ppm 0.1-3.0 ppm
Number of pump strokes 1(100ml) 2(200ml) 4(400ml)
2) Sampling time :3 minutes/2 pump strokes
3) Detectable limit :0.05 ppm(400ml)
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(0~15℃)(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 2 pump strokes
8) Colour change :Greenish yellow→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By decomposing with an Oxidizer, Hydrogen chlorine is produced and PH indicator is discoloured.
CH2=CHCI+CrO3+H2SO4→HCI
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
PRETEAT TUBE DETECTOR TUBE
6.0
5.0
4.0
3.0
2.0
1.0
(White)
ppm
200ml
132SC VINYL CHLORIDE
Substance Interference ppm Coexistence
Acetylene 1% Lower readings are given.
Ethylene FIG.1 300 〃
Hydrogen chloride 200 Higher readings are given.
Chlorine Similar stain is produced. ch1lo0r×ideV cinoynlc. 〃
(NOTE)
In case of 1 or 4 pump strokes, following formula is available for the actual concentration.
Actual concentration=Temperature corrected value×2/Number of strokes
0
4.0
3.0
1.0
2.0
Ethylene〔ppm〕?
FIG.1 Influence of Ethylene Vinyl chloride indicating value 〔
ppm〕
100 200 300 400 500 600 700
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 5℃ 10℃ 15-40℃
(ppm) (32°F) (41°F) (50°F) (59°F)(104°F)
6.0 10.0 8.2 7.0 6.0
5.0 8.2 6.8 5.7 5.0
4.0 6.7 5.5 4.7 4.0
3.0 4.9 4.1 3.5 3.0
2.0 3.3 2.7 2.3 2.0
1.0 1.6 1.3 1.2 1.0
上一篇:169S氯丁二烯二CH2=CClCH=CH2氣體檢測管,169S CHLOROPRENE 0.5-20ppm
下一篇:132SC氯乙烯氣體檢測管132SC VINYL CHLORIDE 1-50ppm
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