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首页>产品中心>日本光明北川式气体检测管>气体快速检测管>122SA甲基异丁基酮(CH3)2CHCH2COCH3气体检测管122SA 0.01-0.6%

甲基异丁基酮(CH3)2CHCH2COCH3气体检测管122SA 0.01-0.6%

简要描述:

甲基异丁基酮(CH3)2CHCH2COCH3气体检测管122SA METHYL ISOBUTYL KETONE 0.01-0.6%,中文名: 甲基异丁基甲酮;4-甲基-2-戊酮;甲基异丁基酮,英文名: Methyl isobutyl ketone;4-Methyl-2-pentanone,健康危害: 人吸入(4.1g/m3)时引起中枢神经系统的抑制和麻醉;吸入(0.41~2.05g/m3)时,可引起恶心、呕吐、食欲不振、腹痛,以及呼吸道刺激症状。低于84mg/m3时没有不适感。

更新时间:2017-07-04

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甲基异丁基酮(CH3)2CHCH2COCH3气体检测管122SA 0.01-0.6%

甲基异丁基酮(CH3)2CHCH2COCH3气体检测管122SA METHYL ISOBUTYL KETONE 0.01-0.6%

Tube No.122SA
1. PERFORMANCE
1) Measuring range :0.01-0.6%
Number of pump strokes 3(300ml)
2) Sampling time :4.5 minutes/3 pump strokes
3) Detectable limit :10 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Graduations printed on the tube are calibrated by Ethylene oxide at 1 pump stroke and
Methyl isobuty ketone is determined by using a conversion chart at pump strokes.
8) Colour change :Orange→Dark brown
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
H3COCH2CH(CH3)2+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 ISOBUTYL KETONE
Substance Interference ppm Coexistence
Alcohols Similar stain is produced. Higher readings are given.
Esters FIG.1 〃〃
Ketones 〃〃
Aromatic hydrocarbons FIG.2 〃〃
Halogenated hydrocarbons PWahleo leb rroewang.ent is changed to 0.5% 〃
0
0.5
1.0
Ethyl acetate〔%〕�
FIG.1 Influence of Ethyl acetate
0
0.5
0.25 0.5
Toluene〔%〕�
FIG.2 Influence of Toluene
Methyl isobutyl ketone
indicating value 〔%〕
Methyl isobutyl ketone
indicating value 〔%〕
TEMPERATURE CORRECTION TABLE
Scale True Concentration (%)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
0.6 - - 0.60 0.55 0.52
0.5 - - 0.50 0.46 0.43
0.4 - - 0.40 0.37 0.35
0.3 - - 0.30 0.28 0.27
0.2 - 0.23 0.20 0.19 0.18
0.1 0.16 0.11 0.10 0.10 0.10
0.05 0.05 0.05 0.05 0.05 0.05
No.122SA Tube reading (%)�
Methyl Lsobutyl Ketone(%)�
0.01
(300ml)�
0.1
0.2
0.3
0.4
0.5
0.6
0.01
0.1
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8

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