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產(chǎn)品詳情
簡(jiǎn)單介紹：
甲醇CH3OH氣體檢測(cè)管119SA日本光明理化快速氣體檢測(cè)管
甲醇CH3OH氣體檢測(cè)管119SA日本光明理化快速氣體檢測(cè)管，甲醇CH3OH氣體檢測(cè)管119SA METHYL ALCOHOL(METHANOL) 0.05-6.0%
詳情介紹：
甲醇CH3OH氣體檢測(cè)管119SA日本光明理化快速氣體檢測(cè)管
甲醇CH3OH氣體檢測(cè)管119SA日本光明理化快速氣體檢測(cè)管，甲醇CH3OH氣體檢測(cè)管119SA METHYL ALCOHOL(METHANOL) 0.05-6.0%，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.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