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简单介绍：
乙酸戊酯CH3CO2(CH2)4CH3气体检测管210U
乙酸戊酯CH3CO2(CH2)4CH3气体检测管210U，乙酸戊酯CH3CO2(CH2)4CH3气体检测管210U PENTYL ACETATE 10-200ppm，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。
详情介绍：
乙酸戊酯CH3CO2(CH2)4CH3气体检测管210U
乙酸戊酯CH3CO2(CH2)4CH3气体检测管210U，乙酸戊酯CH3CO2(CH2)4CH3气体检测管210U PENTYL ACETATE 10-200ppm，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.210U
1. PERFORMANCE
1) Measuring range ：10-200 ppm
Number of pump strokes 3(300ml)
2) Sampling time ：4.5 minutes/3 pump strokes
3) Detectable limit ：4 ppm
4) Shelf life ：2 years
5) Operating temperature ：10～40℃
6) Temperature compensation ：Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading ：Direct reading from the scale calibrated by 3 pump strokes
8) Colour change ：Pale yellow→Pale blue(more than 20 ppm)
〃 →Dark brown(20 ppm or less)
2. RELATIVE STANDARD DEVIATION
RSD-low：15％ RSD-mid.：10％ RSD-high：10％
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3CO2CH2(CH2)3CH3＋Cr6＋＋H2SO4→Cr3＋
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
10
30
50
100
150
200
ppm
300ml
GAS To pump
DEHUMIDIFIER(White)
210U PENTYL ACETATE
Substance Interference Coexistence
Alcohols Similar or Blue stain is produced. Higher readings are given.
Esters 〃〃
Ketones 〃〃
Aliphatic hydrocarbons 〃〃
Aromatic hydrocarbons The accuracy of readings is not affected. Whole reagent is changed to Brown.
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 20℃ 30℃ 40℃
(ppm) (50°F) (68°F) (86°F) (104°F)
200 240 200 160 120
150 180 150 130 100
100 120 100 80 70
50 60 50 40 30
30 36 30 24 18
10 10 10 8 6
1. PERFORMANCE
1) Measuring range ：10-200 ppm
Number of pump strokes 3(300ml)
2) Sampling time ：4.5 minutes/3 pump strokes
3) Detectable limit ：4 ppm
4) Shelf life ：2 years
5) Operating temperature ：10～40℃
6) Temperature compensation ：Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading ：Direct reading from the scale calibrated by 3 pump strokes
8) Colour change ：Pale yellow→Pale blue(more than 20 ppm)
〃 →Dark brown(20 ppm or less)
2. RELATIVE STANDARD DEVIATION
RSD-low：15％ RSD-mid.：10％ RSD-high：10％
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3CO2CH2(CH2)3CH3＋Cr6＋＋H2SO4→Cr3＋
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
10
30
50
100
150
200
ppm
300ml
GAS To pump
DEHUMIDIFIER(White)
210U PENTYL ACETATE
Substance Interference Coexistence
Alcohols Similar or Blue stain is produced. Higher readings are given.
Esters 〃〃
Ketones 〃〃
Aliphatic hydrocarbons 〃〃
Aromatic hydrocarbons The accuracy of readings is not affected. Whole reagent is changed to Brown.
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 20℃ 30℃ 40℃
(ppm) (50°F) (68°F) (86°F) (104°F)
200 240 200 160 120
150 180 150 130 100
100 120 100 80 70
50 60 50 40 30
30 36 30 24 18
10 10 10 8 6