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简单介绍:
北川式硫化氢H2S直读式气体检测管120SH
北川式硫化氢H2S直读式气体检测管120SH,硫化氢H2S气体检测管120SH HYDROGEN SULPHIDE 0.1-4.0%,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。
详情介绍:
北川式硫化氢H2S直读式气体检测管120SH
北川式硫化氢H2S直读式气体检测管120SH,硫化氢H2S气体检测管120SH HYDROGEN SULPHIDE 0.1-4.0%,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.120SH
1. PERFORMANCE
1) Measuring range :0.1-4.0%
Number of pump strokes 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :50 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :Pale blue→Black
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with Cupric sulphate(II), Cupric sulphide is produced.
H2S+CuSO4→CuS
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.1
%
120SH HYDROGEN SULPHIDE
Substance Interference % Coexistence
Sulphur dioxide FIG.1 aTfhfeec atecdc.uracy of readings is not 0.5 Lower readings are given.
0
Sulphur dioxide〔%〕?
FIG.1 Influence of Sulphur dioxide
1. PERFORMANCE
1) Measuring range :0.1-4.0%
Number of pump strokes 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :50 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :Pale blue→Black
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with Cupric sulphate(II), Cupric sulphide is produced.
H2S+CuSO4→CuS
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.1
%
120SH HYDROGEN SULPHIDE
Substance Interference % Coexistence
Sulphur dioxide FIG.1 aTfhfeec atecdc.uracy of readings is not 0.5 Lower readings are given.
0
Sulphur dioxide〔%〕?
FIG.1 Influence of Sulphur dioxide