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產(chǎn)品詳情
簡(jiǎn)單介紹:
**胺(CH3)3N氣體檢測(cè)管222S
**胺(CH3)3N氣體檢測(cè)管222S Trimethyl amine 1-20ppm日本光明理化工業(yè)株式會(huì)社從1947年開(kāi)始,在氣體分析領(lǐng)域開(kāi)拓了六十余年 , 形成了馳名于世的 ” 北川 ” 式氣體檢測(cè)管
詳情介紹:
**胺(CH3)3N氣體檢測(cè)管222S
**胺(CH3)3N氣體檢測(cè)管222S Trimethyl amine 1-20ppm日本光明理化工業(yè)株式會(huì)社從1947年開(kāi)始,在氣體分析領(lǐng)域開(kāi)拓了六十余年 , 形成了馳名于世的 ” 北川 ” 式氣體檢測(cè)管。氣體快速分析法 ” 北川 ” 的歷史就是日本檢測(cè)管的歷史。北川式檢測(cè)管的特長(zhǎng) : 無(wú)論何時(shí):由于不用分析儀器和化學(xué)藥劑 , 省略了測(cè)量前的準(zhǔn)備工作 . 無(wú)論何時(shí)都可以進(jìn)行測(cè)定無(wú)論何地極為小巧便于攜帶 ,只要有微量的空氣就可以進(jìn)行測(cè)定 , *適合于現(xiàn)場(chǎng)測(cè)定 .無(wú)論何人測(cè)定的操作非常簡(jiǎn)單 , 無(wú)論專業(yè)人士或非專業(yè)人士。 多種氣體:可以檢測(cè)多達(dá) 300 余種氣體 ,400多種型號(hào) 快速: 測(cè)定的結(jié)果幾分鐘就可得到 , 可以立即轉(zhuǎn)入下一步操作 . **: 不用電源 , 熱源 , 即使有易燃易爆的氣體存在 , 也可以確保操作** 。
Tube No.222S
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 :0.3 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.
2(CH3)3N+H3PO4→〔(CH3)3NH〕2HPO4
4. CALIBRATION OF THE TUBE
VAPOUR PRESSURE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
DEHUMIDIFIER
(White)
20
2 1
468
10
12
14
16
18
222S TRIMETHYL AMINE
Substance Interference Coexistence
Ammonia Similar stains are produced Higher readings are given.
Other amines 〃〃
(NOTE)
This tube scale is calibrated based on Diethyl amine and same scale is available for Trimethyl amine.
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 :0.3 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.
2(CH3)3N+H3PO4→〔(CH3)3NH〕2HPO4
4. CALIBRATION OF THE TUBE
VAPOUR PRESSURE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
DEHUMIDIFIER
(White)
20
2 1
468
10
12
14
16
18
222S TRIMETHYL AMINE
Substance Interference Coexistence
Ammonia Similar stains are produced Higher readings are given.
Other amines 〃〃
(NOTE)
This tube scale is calibrated based on Diethyl amine and same scale is available for Trimethyl amine.