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產(chǎn)品詳情
簡(jiǎn)單介紹:
異丙叉丙酮CH3COCH=C(CH3)2氣體檢測(cè)管190U
異丙叉丙酮CH3COCH=C(CH3)2氣體檢測(cè)管190U,異丙叉丙酮CH3COCH=C(CH3)2氣體檢測(cè)管190U MESITYL OXIDE 5-100ppm,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:
異丙叉丙酮CH3COCH=C(CH3)2氣體檢測(cè)管190U
異丙叉丙酮CH3COCH=C(CH3)2氣體檢測(cè)管190U,異丙叉丙酮CH3COCH=C(CH3)2氣體檢測(cè)管190U MESITYL OXIDE 5-100ppm,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 。目前是世界上*大的檢測(cè)管生產(chǎn)廠(chǎng)家,也是日本**家通過(guò)美國(guó)SEI的認(rèn)證,歐盟的認(rèn)證的檢測(cè)管廠(chǎng)家。公司不僅有ISO9001:2000的認(rèn)證,還獲得了環(huán)境管理的ISO14001的認(rèn)證。北川式手動(dòng)氣體采集器AP-20 備有采氣完成指示計(jì) , 可以清楚的判明采氣是否完成 . • 有專(zhuān)門(mén)截留玻璃的截留槽 , 以防止檢測(cè)管割尖時(shí)玻璃片飛濺 . • 有采氣容積為 50 毫升和 100 毫升的兩段式制動(dòng)卡 . • 采氣器極為小巧 , 并有便于攜帶的皮具包 。
Tube No.190U
GAS To pump
500
400
100
50
20
5
300
200
150
300ml
ppm
(White)
DEHUMIDIFIER
1. PERFORMANCE
1) Measuring range :5-100 ppm
Number of pump strokes 2(200ml)
2) Sampling time :3 minutes/2 pump strokes
3) Detectable limit :1 ppm
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Graduations printed on the tube are calibrated by Ethyl cellosolve at 3 pump strokes
and Mesityl oxide is determined by using a conversion chart.
8) Colour change :Yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3COCH=C(CH3)2+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
190U C MESITYL OXIDE
TEMPERATURE CORRECTION TABLE
Conver. Corrected Concentration (ppm)
value 0℃ 10℃ 20℃~40℃
(ppm) (32°F) (50°F) (68°F) (104°F)
100 - - 100
80 - 95 80
60 100 70 60
40 60 45 40
20 30 25 20
10 15 12 10
5 7 6 5
Substance ppm Interference ppm Coexistence
Alcohols Similar stain is produced. Higher readings are given.
Toluene 200 Whole reagent is discoloured 500 The top of discoloured layer
to Brown. becomes unclear.
Hexane The accracy of reading is not less than The accracy of reading is not
affected. 1,000ppm affected.
Ethyl Acetate 〃〃
Trichloroethylene 〃〃
No.190U Tube reading (ppm)?
(200mR)?
Mesityl oxide(ppm)?
500
400
300
200
100
50
20
5
5
40
60
10
20
80
100
GAS To pump
500
400
100
50
20
5
300
200
150
300ml
ppm
(White)
DEHUMIDIFIER
1. PERFORMANCE
1) Measuring range :5-100 ppm
Number of pump strokes 2(200ml)
2) Sampling time :3 minutes/2 pump strokes
3) Detectable limit :1 ppm
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Graduations printed on the tube are calibrated by Ethyl cellosolve at 3 pump strokes
and Mesityl oxide is determined by using a conversion chart.
8) Colour change :Yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3COCH=C(CH3)2+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
190U C MESITYL OXIDE
TEMPERATURE CORRECTION TABLE
Conver. Corrected Concentration (ppm)
value 0℃ 10℃ 20℃~40℃
(ppm) (32°F) (50°F) (68°F) (104°F)
100 - - 100
80 - 95 80
60 100 70 60
40 60 45 40
20 30 25 20
10 15 12 10
5 7 6 5
Substance ppm Interference ppm Coexistence
Alcohols Similar stain is produced. Higher readings are given.
Toluene 200 Whole reagent is discoloured 500 The top of discoloured layer
to Brown. becomes unclear.
Hexane The accracy of reading is not less than The accracy of reading is not
affected. 1,000ppm affected.
Ethyl Acetate 〃〃
Trichloroethylene 〃〃
No.190U Tube reading (ppm)?
(200mR)?
Mesityl oxide(ppm)?
500
400
300
200
100
50
20
5
5
40
60
10
20
80
100