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简单介绍：
甲醇CH3OH气体检测管119SA日本光明理化快速气体检测管
甲醇CH3OH气体检测管119SA日本光明理化快速气体检测管，甲醇CH3OH气体检测管119SA METHYL ALCOHOL(METHANOL) 0.05-6.0%
详情介绍：
甲醇CH3OH气体检测管119SA日本光明理化快速气体检测管
甲醇CH3OH气体检测管119SA日本光明理化快速气体检测管，甲醇CH3OH气体检测管119SA METHYL ALCOHOL(METHANOL) 0.05-6.0%，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.119SA
1. PERFORMANCE
1) Measuring range ：0.05-6.0％
Number of pump strokes 1(100ml)
2) Sampling time ：1.5 minutes/1 pump stroke
3) Detectable limit ：100 ppm
4) Shelf life ：3 years
5) Operating temperature ：0～40℃
6) Temperature compensation ：Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading ：Direct reading from the scale calibrated by 1 pump stroke
8) Colour change ：Yellow orange→Pale green
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：5％ RSD-high：5％
3. CHEMICAL REACTION
Potassium dichromate is reduced
CH3OH＋Cr6＋＋H2SO4→Cr3＋
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
0.05
0.1
0.5
1.0
2.0
3.0
4.0
5.0
6.0
%
GAS To pump
DEHUMIDIFIER
(White)
119SA
METHYL ALCOHOL
(METHANOL)
Substance Interference ppm Coexistence
Paraffin (morefi nth haynd Cro3c)arbons FIG.1 Similar stain is produced. Higher readings are given.
Alcohols FIG.2 〃〃
Esters 〃50 〃
Ketones 〃〃
Aromatic hydrocarbons 〃〃
Reagent is discoloured to If the top of the discolouration can
Halogenated hydrocarbons Brown slightly. ibneg so bist aninoet da,fftehcet eadc.curacy of read-
(NOTE)
Although the top of light green stain changes to Brown gradually, read the concentration on the top of the light
green stain shortly.
0
5
6
3
4
Hexane〔％〕?
FIG.1 Influence of Hexane
Methanol indicating value 〔％〕
0.1 0.2 0.3
2
1
0
5
6
3
4
Ethanol〔％〕?
FIG.2 Influence of Ethanol
Methanol indicating value 〔％〕
0.1 0.2 0.3 0.4 0.5
2
1
Coexistence
Interference
TEMPERATURE CORRECTION TABLE
Scale True Concentration (％)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(％) (32°F) (50°F) (68°F) (86°F) (104°F)
6.0 6.0 4.3 3.3
5.0 5.0 3.7 2.8
4.0 4.0 3.0 2.3
3.0 5.1 3.0 2.3 1.8
2.0 3.0 2.0 1.6 1.2
1.0 2.7 1.4 1.0 0.8 0.6
0.5 1.0 0.7 0.5 0.4 0.3
0.1 0.1 0.1 0.1 0.1 0.1
1. PERFORMANCE
1) Measuring range ：0.05-6.0％
Number of pump strokes 1(100ml)
2) Sampling time ：1.5 minutes/1 pump stroke
3) Detectable limit ：100 ppm
4) Shelf life ：3 years
5) Operating temperature ：0～40℃
6) Temperature compensation ：Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading ：Direct reading from the scale calibrated by 1 pump stroke
8) Colour change ：Yellow orange→Pale green
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：5％ RSD-high：5％
3. CHEMICAL REACTION
Potassium dichromate is reduced
CH3OH＋Cr6＋＋H2SO4→Cr3＋
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
0.05
0.1
0.5
1.0
2.0
3.0
4.0
5.0
6.0
%
GAS To pump
DEHUMIDIFIER
(White)
119SA
METHYL ALCOHOL
(METHANOL)
Substance Interference ppm Coexistence
Paraffin (morefi nth haynd Cro3c)arbons FIG.1 Similar stain is produced. Higher readings are given.
Alcohols FIG.2 〃〃
Esters 〃50 〃
Ketones 〃〃
Aromatic hydrocarbons 〃〃
Reagent is discoloured to If the top of the discolouration can
Halogenated hydrocarbons Brown slightly. ibneg so bist aninoet da,fftehcet eadc.curacy of read-
(NOTE)
Although the top of light green stain changes to Brown gradually, read the concentration on the top of the light
green stain shortly.
0
5
6
3
4
Hexane〔％〕?
FIG.1 Influence of Hexane
Methanol indicating value 〔％〕
0.1 0.2 0.3
2
1
0
5
6
3
4
Ethanol〔％〕?
FIG.2 Influence of Ethanol
Methanol indicating value 〔％〕
0.1 0.2 0.3 0.4 0.5
2
1
Coexistence
Interference
TEMPERATURE CORRECTION TABLE
Scale True Concentration (％)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(％) (32°F) (50°F) (68°F) (86°F) (104°F)
6.0 6.0 4.3 3.3
5.0 5.0 3.7 2.8
4.0 4.0 3.0 2.3
3.0 5.1 3.0 2.3 1.8
2.0 3.0 2.0 1.6 1.2
1.0 2.7 1.4 1.0 0.8 0.6
0.5 1.0 0.7 0.5 0.4 0.3
0.1 0.1 0.1 0.1 0.1 0.1