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简单介绍：
日本KITAGAWA北川式甲乙酮CH3COC2H5气体检测管122SA
日本KITAGAWA北川式甲乙酮CH3COC2H5气体检测管122SA ，日本KITAGAWA北川式甲乙酮CH3COC2H5气体检测管122SA METHYL ETHYL KETONE 0.05-5.0%，
详情介绍：
日本KITAGAWA北川式甲乙酮CH3COC2H5气体检测管122SA
日本KITAGAWA北川式甲乙酮CH3COC2H5气体检测管122SA ，日本KITAGAWA北川式甲乙酮CH3COC2H5气体检测管122SA METHYL ETHYL KETONE 0.05-5.0%，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.122SA
1. PERFORMANCE
1) Measuring range ：1.0-5.0％ 0.05-2.2％
Number of pump strokes 1/2(50ml) 1(100ml)
2) Sampling time ：1.5 minutes/1 pump stroke
3) Detectable limit ：50 ppm
4) Shelf life ：3 years
5) Operating temperature ：0～40℃
6) Reading ：Graduations printed on the tube are calibrated by Ethylene oxide at 1 pump stroke
and Methyl ethyl ketone is determined by using a conversion chart.
7) Colour change ：Orange→Dark brown
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：5％ RSD-high：5％
3. CHEMICAL REACTION
Potassium dichromate is reduced.
CH3COC2H5＋Cr6＋＋H2SO4→Cr3＋
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
??????????
????
(White)
DEHUMIDIFIER
GAS To pump
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.1
0.01
%
122SA C METHYL ETHYL KETONE
Substance Interference ppm Coexistence
Alcohols FIG.1 Similar stain is produced. Higher readings are given.
Esters FIG.2 〃〃
Ketones 〃〃
Aromatic hydrocarbons 〃〃
Halogenated hydrocarbons WPahleo leb rsotwainn. is discoloured to 0.5％ 〃
(NOTE)
In case 1 / 2 pump stroke, following conversion scale is available for the actual concentration.
0
1.0
1.5
Methanol〔％〕?
FIG.1 Influence of Methanol
Methyl ethyl ketone
indicating value 〔％〕 0.5 1.0
0.5
0
1.0
1.5
Ethyl acetate〔％〕?
FIG.2 Influence of Ethyl acetate
Methyl ethyl ketone
indicating value 〔％〕
0.5 1.0
0.5
0.05
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.1
5.0
4.0
3.0
2.0
1.0
Conversion
scale
(50ml actual value)?
(100mlconcentration scale)? (
％)?
0.01
0.1
0.2
0.4
1.0
1.6
1.8 2.2
2.0
1.0
1.5
0.5
0.1
0.05
Methyl Ethyl Ketone(％)?
No.122SA Tube reading(％)?
(100mR)?
0.6
0.8
1.2
1.4
TEMPERATURE CORRECTION TABLE
Conversion Corrected Concentration (ppm)
Value 0℃ 10℃ 20℃ 30℃ 40℃
(％) (32°F) (50°F) (68°F) (86°F) (104°F)
2.5 － 2.88 2.50 2.34 2.26
2.0 2.70 2.30 2.00 1.84 1.76
1.5 2.36 1.74 1.50 1.35 1.26
1.0 1.52 1.16 1.00 0.88 0.80
0.5 0.70 0.58 0.50 0.42 0.38
0.1 0.14 0.12 0.10 0.08 0.06
0.05 0.07 0.05 0.05 0.03 0.03
0.01 0.01 0.01 0.01 0.01 0.01
1. PERFORMANCE
1) Measuring range ：1.0-5.0％ 0.05-2.2％
Number of pump strokes 1/2(50ml) 1(100ml)
2) Sampling time ：1.5 minutes/1 pump stroke
3) Detectable limit ：50 ppm
4) Shelf life ：3 years
5) Operating temperature ：0～40℃
6) Reading ：Graduations printed on the tube are calibrated by Ethylene oxide at 1 pump stroke
and Methyl ethyl ketone is determined by using a conversion chart.
7) Colour change ：Orange→Dark brown
2. RELATIVE STANDARD DEVIATION
RSD-low：10％ RSD-mid.：5％ RSD-high：5％
3. CHEMICAL REACTION
Potassium dichromate is reduced.
CH3COC2H5＋Cr6＋＋H2SO4→Cr3＋
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
??????????
????
(White)
DEHUMIDIFIER
GAS To pump
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.1
0.01
%
122SA C METHYL ETHYL KETONE
Substance Interference ppm Coexistence
Alcohols FIG.1 Similar stain is produced. Higher readings are given.
Esters FIG.2 〃〃
Ketones 〃〃
Aromatic hydrocarbons 〃〃
Halogenated hydrocarbons WPahleo leb rsotwainn. is discoloured to 0.5％ 〃
(NOTE)
In case 1 / 2 pump stroke, following conversion scale is available for the actual concentration.
0
1.0
1.5
Methanol〔％〕?
FIG.1 Influence of Methanol
Methyl ethyl ketone
indicating value 〔％〕 0.5 1.0
0.5
0
1.0
1.5
Ethyl acetate〔％〕?
FIG.2 Influence of Ethyl acetate
Methyl ethyl ketone
indicating value 〔％〕
0.5 1.0
0.5
0.05
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.1
5.0
4.0
3.0
2.0
1.0
Conversion
scale
(50ml actual value)?
(100mlconcentration scale)? (
％)?
0.01
0.1
0.2
0.4
1.0
1.6
1.8 2.2
2.0
1.0
1.5
0.5
0.1
0.05
Methyl Ethyl Ketone(％)?
No.122SA Tube reading(％)?
(100mR)?
0.6
0.8
1.2
1.4
TEMPERATURE CORRECTION TABLE
Conversion Corrected Concentration (ppm)
Value 0℃ 10℃ 20℃ 30℃ 40℃
(％) (32°F) (50°F) (68°F) (86°F) (104°F)
2.5 － 2.88 2.50 2.34 2.26
2.0 2.70 2.30 2.00 1.84 1.76
1.5 2.36 1.74 1.50 1.35 1.26
1.0 1.52 1.16 1.00 0.88 0.80
0.5 0.70 0.58 0.50 0.42 0.38
0.1 0.14 0.12 0.10 0.08 0.06
0.05 0.07 0.05 0.05 0.03 0.03
0.01 0.01 0.01 0.01 0.01 0.01