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简单介绍：
苯乙烯C6H5CH=CH2北川式气体检知管158SB
苯乙烯C6H5CH=CH2北川式气体检知管158SB ，苯乙烯C6H5CH=CH2气体检知管158SB STYRENE 1-100ppm
详情介绍：
苯乙烯C6H5CH=CH2北川式气体检知管158SB
苯乙烯C6H5CH=CH2北川式气体检知管158SB ，苯乙烯C6H5CH=CH2气体检知管158SB STYRENE 1-100ppm，日本光明理化工业株式会社从1947年开始，在气体分析领域开拓了六十余年 , 形成了驰名于世的 ” 北川 ” 式气体检测管。气体快速分析法 ” 北川 ” 的历史就是日本检测管的历史 。目前是世界上*大的检测管生产厂家，也是日本**家通过美国SEI的认证，欧盟的认证的检测管厂家。公司不仅有ISO9001:2000的认证，还获得了环境管理的ISO14001的认证。北川式手动气体采集器AP-20 备有采气完成指示计 , 可以清楚的判明采气是否完成 . • 有专门截留玻璃的截留槽 , 以防止检测管割尖时玻璃片飞溅 . • 有采气容积为 50 毫升和 100 毫升的两段式制动卡 . • 采气器极为小巧 , 并有便于携带的皮具包 。
Tube No.158SB
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.
〃
〃
〃
〃
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
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.
〃
〃
〃
〃
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