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苯乙烯C6H5CH=CH2氣體檢知管158SB STYRENE 1-100ppm,快速水質檢測管可對水中的有害物質濃度含量進行精確定量測量,可檢測:硫化物、硫離子、臭氧、氯離子、殘留氯、水銀、鉻離子、鐵離子、銅離子、鋅離子、鎳離子等。www.r-biopharm.net.cn
更新時間:2024-12-19
在線留言苯乙烯C6H5CH=CH2氣體檢知管158SB STYRENE 1-100ppm
Tube 58SB
1. PERFORMANCE
1) Measuring range :2-100 ppm 1-50 ppm
Number of pump strokes 2(200mL) 4(400mL)
2) Sampling time :1 minute / 1 pump stroke
3) Detectable limit :0.2 ppm(400mL)
4) Shelf life :3 years
5) Operating temperature :0~40℃
7) Reading :Direct reading from the scale calibrated by 2 pump strokes
8) Colour change :White→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low : 5 % RSD-mid.: 5 % RSD-high : %
3. CHEMICAL REACTION
A polymer of Styrene is produced by fume sulphuric acid.
4. CALIBRATION OF THE TUBE
DIFFUSION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
158SB STYRENE
Substance ppm Interference Coexistence
Acrylonitrile The accuracy of readings is
not affected.
Lower readings are given.
Butadiene 5
Formaldehyde
Pale orange stain is produced.
Acetaldehyde
Higher readings are given.
Methyl alcohol The accuracy of readings is
not affected.
Ethyl alcohol 〃
Ethyl acetate 〃〃
Butyl acetate 〃〃
(NOTE )
In case of 2 pump strokes, following formula is available for actual concentration.
Actual concentration = 1 / 2×Reading value.
C C H – C H 2 C H 2
H 2SO 4
400
15
350
3500
1800
700
700
The accuracy of readings is
not affected.
Orange stain is produced.
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〃
〃
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GAS To pump
DEHUMIDIFIER TUBE DETECTOR TUBE
(White)
TEMPERATURE CORRECTION COEFFICIENT TABLE
Temperature
0℃
10℃ (50°)
20℃ (68°)
30℃ (86°)
40℃ (104°)
0
0.80
0.90
1.00
1.10
1.20
1
0.81
0.91
1.01
1.11
6
0.86
0.96
1.06
1.16
5
0.85
0.95
1.05
1.15
4
0.84
0.94
1.04
1.14
3
0.83
0.93
1.03
1.13
2
0.82
0.92
1.02
1.12
7
0.87
0.97
1.07
1.17
8
0.88
0.98
1.08
1.18
9
0.89
0.99
1.09
1.19
上一篇:158S苯乙烯C6H5CH=CH2氣體檢測管158S STYRENE 2.5-300ppm
下一篇:103SA北川式二氧化硫SO2氣體檢測管103SA SULPHUR DIOXIDE 0.1-3.0%
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