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首頁>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>227S二甲胺(CH3)2NH氣體檢測管227S Dimethyl amine 1-20ppm

二甲胺(CH3)2NH氣體檢測管227S Dimethyl amine 1-20ppm

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二甲胺(CH3)2NH氣體檢測管227S Dimethyl amine 1-20ppm,總代理銷售日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測管,提供日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測管介紹,日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測管應(yīng)用,日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測管價(jià)格,日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測管說明書,日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測管售后服務(wù),日本光明理化學(xué)工業(yè)株式會(huì)社北川式氣體檢測管中國總代理

更新時(shí)間:2025-01-08

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二甲胺(CH3)2NH氣體檢測管227S Dimethyl amine 1-20ppm

二甲胺(CH3)2NH氣體檢測管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 〃〃