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甲基異丁基酮(CH3)2CHCH2COCH3氣體檢測(cè)管122SA METHYL ISOBUTYL KETONE 0.01-0.6%,中文名: 甲基異丁基甲酮;4-甲基-2-戊酮;甲基異丁基酮,英文名: Methyl isobutyl ketone;4-Methyl-2-pentanone,健康危害: 人吸入(4.1g/m3)時(shí)引起中樞神經(jīng)系統(tǒng)的抑制和麻醉;吸入(0.41~2.05g/m3)時(shí),可引起惡心、嘔吐、食欲不振、腹痛,以及呼吸道刺激癥狀。低于84mg/m3時(shí)沒(méi)有不適感。
更新時(shí)間:2025-01-08
在線留言甲基異丁基酮(CH3)2CHCH2COCH3氣體檢測(cè)管122SA METHYL ISOBUTYL KETONE 0.01-0.6%
Tube 22SA
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
22SA 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
上一篇:176S甲基碘CH3I氣體檢測(cè)管176S METHYL IODIDE 2-40ppm
下一篇:155U甲基異丁基酮?dú)怏w檢知管 155U METHYL ISOBUTYL KETONE 5-300ppm
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