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氯化苯C6H5CL氣體檢測管178SB CHLOROBENZENE 1-140ppm,泳池水用臭氧消毒時(shí),按全池水循環(huán)一次時(shí)每小時(shí)的水流量確定投放臭氧量,通常是1m3/h水使用1-2g臭氧,然后再投加少量的消毒藥劑。當1m3/h泳池水使用臭氧4g或以上時(shí),池水不再需要投加消毒藥劑,并且池水會(huì )變得清澈透藍。
更新時(shí)間:2024-07-14
在線(xiàn)留言氯化苯C6H5CL氣體檢測管178SB CHLOROBENZENE 1-140ppm
Tube No.
178SB CHLOROBENZENE
1. PERFORMANCE
1) Measuring range :5-140 ppm 1-5 ppm
Number of pump strokes 1(100ml) 5(500ml)
2) Sampling time :2 minutes/1 pump stroke
3) Detectable limit :0.5 ppm(500ml)
4) Shelf life :1 year
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :White→Pale brown
2. RELATIVE STANDARD DEVIATION
RSD-low:20% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
lodine pent-oxide is reduced.
C6H5CI+I2O5+H2SO4→I2
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
DETECTOR TUBE
(white)
DEHUMIDIFIER TUBE
140
120
100
80
60
40
20
10
5
ppm
Tube No.
178SB CHLOROBENZENE
84
Substance Interference ppm Coexistence
Ethyl benzene Similar stain is produced. Higher readings are given.
Toluene FIG.1 〃〃
Xylene FIG.2 〃〃
Benzene 〃〃
Carbon monoxide FIG.3 Wtheh osliem rileaar gsetanitn i’ss cchoalonugre.d to 50 〃
Hexane 〃100 〃
0
20
30
10
Toluene〔ppm〕?
FIG.1 Influence of Toluene Benzene indicating value 〔
ppm〕
5 10 0
20
30
10
Xylene〔ppm〕?
FIG.2 Influence of Xylene
Benzene indicating value 〔ppm〕
10 20 0
20
30
40
10
Carbon monoxide〔ppm〕?
FIG.3 Influence of Carbon monoxide
Benzene indicating value 〔ppm〕
50 100
(NOTE)
When the concentration is below 5 ppm, 5 pump strokes can be used to determine the lower concentration.
Following formula is available for the actual concentration.
Actual concentration=1/5×Reading value
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