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產(chǎn)品詳情
簡(jiǎn)單介紹：
日本KITAGAWA北川式甲基環(huán)己酮CH3C6H9O氣體檢測(cè)管198U
日本KITAGAWA北川式甲基環(huán)己酮CH3C6H9O氣體檢測(cè)管198U，日本KITAGAWA北川式甲基環(huán)己酮CH3C6H9O氣體檢測(cè)管198U METHYL CYCLOHEXANONE 2-100ppm
詳情介紹：
日本KITAGAWA北川式甲基環(huán)己酮CH3C6H9O氣體檢測(cè)管198U
日本KITAGAWA北川式甲基環(huán)己酮CH3C6H9O氣體檢測(cè)管198U，日本KITAGAWA北川式甲基環(huán)己酮CH3C6H9O氣體檢測(cè)管198U METHYL CYCLOHEXANONE 2-100ppm，日本光明理化工業(yè)株式會(huì)社從1947年開始，在氣體分析領(lǐng)域開拓了六十余年 , 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 . • 有專門截留玻璃的截留槽 , 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.198U
1. PERFORMANCE
1) Measuring range ：2-100 ppm
Number of pump strokes 3(300ml)
2) Sampling time ：4.5 minutes/3 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 ：Direct reading from the scale calibrated by 3 pump strokes
8) Colour change ：Yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：10％ RSD-high：5％
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3C6H9＋Cr6＋＋H2SO4→Cr3＋
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
2
10
20
40
60
80
100
ppm
300ml
GAS To pump
DEHUMIDIFIER
(White)
198U METHYL CYCLOHEXANONE
Substance Interference Coexistence
Aliphatic hydrocarbons Whole reagent is changed to Pale The accuracy of readings is not
brown. affected.
Aromatic hydrocarbons 〃〃
Halogenated hydrocarbons 〃〃
Alcohols FIG.1 Similar stain is produced. Higher readings are given.
Esters Pale ringed stain is produced near The accuracy of readings is not
the bottom of the reagent. affected.
0
70
100
30
50
Ethanol〔ppm〕?
FIG.1 Influence of Ethanol
Methyl cyclohexanone
indicating value 〔ppm〕
50 100 150
10
Coexistence
Interference
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 20℃ 30℃ 40℃
(ppm) (50°F) (68°F) (86°F) (104°F)
100 130 100 80 66
80 105 80 65 52
60 80 60 48 36
40 54 40 30 22
20 26 20 14 10
10 14 10 7 5
1. PERFORMANCE
1) Measuring range ：2-100 ppm
Number of pump strokes 3(300ml)
2) Sampling time ：4.5 minutes/3 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 ：Direct reading from the scale calibrated by 3 pump strokes
8) Colour change ：Yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：10％ RSD-high：5％
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3C6H9＋Cr6＋＋H2SO4→Cr3＋
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
2
10
20
40
60
80
100
ppm
300ml
GAS To pump
DEHUMIDIFIER
(White)
198U METHYL CYCLOHEXANONE
Substance Interference Coexistence
Aliphatic hydrocarbons Whole reagent is changed to Pale The accuracy of readings is not
brown. affected.
Aromatic hydrocarbons 〃〃
Halogenated hydrocarbons 〃〃
Alcohols FIG.1 Similar stain is produced. Higher readings are given.
Esters Pale ringed stain is produced near The accuracy of readings is not
the bottom of the reagent. affected.
0
70
100
30
50
Ethanol〔ppm〕?
FIG.1 Influence of Ethanol
Methyl cyclohexanone
indicating value 〔ppm〕
50 100 150
10
Coexistence
Interference
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 20℃ 30℃ 40℃
(ppm) (50°F) (68°F) (86°F) (104°F)
100 130 100 80 66
80 105 80 65 52
60 80 60 48 36
40 54 40 30 22
20 26 20 14 10
10 14 10 7 5