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首页>产品中心>日本光明北川式气体检测管>气体快速检测管>227S二甲胺(CH3)2NH气体检测管227S Dimethyl amine 1-20ppm

二甲胺(CH3)2NH气体检测管227S Dimethyl amine 1-20ppm

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二甲胺(CH3)2NH气体检测管227S Dimethyl amine 1-20ppm,总代理销售日本光明理化学工业株式会社北川式气体检测管,提供日本光明理化学工业株式会社北川式气体检测管介绍,日本光明理化学工业株式会社北川式气体检测管应用,日本光明理化学工业株式会社北川式气体检测管价格,日本光明理化学工业株式会社北川式气体检测管说明书,日本光明理化学工业株式会社北川式气体检测管售后服务,日本光明理化学工业株式会社北川式气体检测管中国总代理

更新时间:2017-11-07

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二甲胺(CH3)2NH气体检测管227S Dimethyl amine 1-20ppm

二甲胺(CH3)2NH气体检测管227S Dimethyl amine 1-20ppm

Tube No.
1. PERFORMANCE
1) Measuring range :1-20 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.2 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 purple→Pale yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By reacting with Phosphoric acid, PH indicator is discoloured.
(CH3)2NH+H3PO4→(CH3NH3)2HPO4
4. CALIBRATION OF THE TUBE
COLOURIMETRY METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
20
18
16
14
12
10
8 6 4 2 1
100ml
ppm
DEHUMIDIFIER
(White)
􀀀􀀀
227S DIMETHYL AMINE
Substance Interference Coexistence
Ammonia Similar stain is produced. Higher readings are given.
Other Amines 〃〃

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