产品详情
简单介绍：
2,2-二氯乙醚气体检测管223S
2,2-二氯乙醚气体检测管223S，2,2-二氯乙醚气体检测管223S 2,2-DICHLOROETHYL ETHER 2-30ppm，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：
2,2-二氯乙醚气体检测管223S
2,2-二氯乙醚气体检测管223S，2,2-二氯乙醚气体检测管223S 2,2-DICHLOROETHYL ETHER 2-30ppm，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.
223S
223S
1. PERFORMANCE
1) Measuring range ：2-30 ppm
Number of pump strokes 1(100ml)
2) Sampling time ：40 seconds/1 pump stroke
3) Detectable limit ：0.5 ppm
4) Shelf life ：1 year
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 ：Yellowish green→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：10％ RSD-high：10％
3. CHEMICAL REACTION
By decomposing with an Oxidizer, Hydrogen chloride is produced and PH indicator is discoloured.
(CICH2CH2)2O＋CrO3＋H2SO4→2HCI
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
????
GAS To pump
DETECTOR TUBE
(Reddish Brown)
PRETREAT TUBE
30
25
20
15
10
5
2
ppm
100ml
223S 2,2-DICHLOROETHYL ETHER
Substance Interference Coexistence
Halogenated hydrocarbons Similar stain is produced. Higher readings are given.
Aliphatic hydrocarbons The accuracy of readings is not
(more than C3) affected.
Aromatic hydrocarbons 〃
Alcohols 〃
Esters Higher readings are given.
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 5℃ 10℃ 15℃ 20℃ 25℃ 30℃ 35℃ 40℃
(ppm) (32°F) (41°F) (50°F) (59°F) (68°F) (77°F) (86°F) (95°F) (104°F)
30 65 53 49 37 30 24 19 14 9
25 45 40 35 30 25 20 16 12 8
20 32 30 27 23 20 17 13 10 6
15 21 20 19 17 15 13 10 7 5
10 14 14 13 12 10 9 7 5 4
5 7 7 6 6 5 4 3 2 1
2 3 3 3 2 2 2 1 1 1
1) Measuring range ：2-30 ppm
Number of pump strokes 1(100ml)
2) Sampling time ：40 seconds/1 pump stroke
3) Detectable limit ：0.5 ppm
4) Shelf life ：1 year
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 ：Yellowish green→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：10％ RSD-high：10％
3. CHEMICAL REACTION
By decomposing with an Oxidizer, Hydrogen chloride is produced and PH indicator is discoloured.
(CICH2CH2)2O＋CrO3＋H2SO4→2HCI
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
????
GAS To pump
DETECTOR TUBE
(Reddish Brown)
PRETREAT TUBE
30
25
20
15
10
5
2
ppm
100ml
223S 2,2-DICHLOROETHYL ETHER
Substance Interference Coexistence
Halogenated hydrocarbons Similar stain is produced. Higher readings are given.
Aliphatic hydrocarbons The accuracy of readings is not
(more than C3) affected.
Aromatic hydrocarbons 〃
Alcohols 〃
Esters Higher readings are given.
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 5℃ 10℃ 15℃ 20℃ 25℃ 30℃ 35℃ 40℃
(ppm) (32°F) (41°F) (50°F) (59°F) (68°F) (77°F) (86°F) (95°F) (104°F)
30 65 53 49 37 30 24 19 14 9
25 45 40 35 30 25 20 16 12 8
20 32 30 27 23 20 17 13 10 6
15 21 20 19 17 15 13 10 7 5
10 14 14 13 12 10 9 7 5 4
5 7 7 6 6 5 4 3 2 1
2 3 3 3 2 2 2 1 1 1