产品详情
简单介绍：
日本KITAGAWA北川式甲基环己酮CH3C6H9O气体检测管198U
日本KITAGAWA北川式甲基环己酮CH3C6H9O气体检测管198U，日本KITAGAWA北川式甲基环己酮CH3C6H9O气体检测管198U METHYL CYCLOHEXANONE 2-100ppm
详情介绍：
日本KITAGAWA北川式甲基环己酮CH3C6H9O气体检测管198U
日本KITAGAWA北川式甲基环己酮CH3C6H9O气体检测管198U，日本KITAGAWA北川式甲基环己酮CH3C6H9O气体检测管198U METHYL CYCLOHEXANONE 2-100ppm，日本光明理化工业株式会社从1947年开始，在气体分析领域开拓了六十余年 , 形成了驰名于世的 ” 北川 ” 式气体检测管。气体快速分析法 ” 北川 ” 的历史就是日本检测管的历史 。目前是世界上*大的检测管生产厂家，也是日本**家通过美国SEI的认证，欧盟的认证的检测管厂家。公司不仅有ISO9001:2000的认证，还获得了环境管理的ISO14001的认证。北川式手动气体采集器AP-20 备有采气完成指示计 , 可以清楚的判明采气是否完成 . • 有专门截留玻璃的截留槽 , 以防止检测管割尖时玻璃片飞溅 . • 有采气容积为 50 毫升和 100 毫升的两段式制动卡 . • 采气器极为小巧 , 并有便于携带的皮具包 。
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