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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>211U醋酸甲酯CH2=CHCO2CH3气体检测管211U METHYL ACRYLATE 2-60ppm

醋酸甲酯CH2=CHCO2CH3气体检测管211U METHYL ACRYLATE 2-60ppm

简要描述:

乙酸甲酯/醋酸甲酯CH2=CHCO2CH3气体检测管211U METHYL ACRYLATE 2-60ppm,丙烯酸甲酯Methyl acrylate,丙烯酸异丁酯CH2=CHCO2CH,别名:败脂酸甲酯,中文名称乙酸甲酯,别名醋酸甲酯,英文名称 methyl acetate;acetic acid methyl ester,分子式 C3H6O2;CH3COOCH3 外观与性状 无色透明液体,有香味,健康危害:具有麻醉和刺激作用。接触本品蒸气引起眼灼痛、流泪、进行性呼吸困难、头痛、头晕

更新时间:2017-07-18

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醋酸甲酯CH2=CHCO2CH3气体检测管211U METHYL ACRYLATE 2-60ppm

乙酸甲酯/醋酸甲酯CH2=CHCO2CH3气体检测管211U METHYL ACRYLATE 2-60ppm

Tube No.211U

1. PERFORMANCE
1) Measuring range :5-60 ppm
Number of pump strokes 2(200ml)
2) Sampling time :3 minutes/2 pump strokes
3) Detectable limit :0.5 ppm
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 2 pump strokes
8) Colour change :Yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH2=CHCO2CH3+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
5
10
20
40
60
ppm
200ml
GAS To pump
DEHUMIDIFIER
(White)
211U METHYL ACRYLATE
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
60 88 70 60 54 48
40 54 46 40 36 32
20 28 24 20 18 16
10 14 12 10 9 8
5 7 6 5 4 3
Substance Interference Coexistence
Alcohols Similar stain is produced. Higher readings are given.
Paraffin hydrocarbons (more than C3) FIG.2 Whole reagent is changed to dark Brown. 〃
Halogenated hydrocarbons 〃〃
Esters 〃〃
Aromatic hydrocarbons FIG.1 〃〃
0
20
30
10
50
60
40
80
100
90
70
Toluene〔ppm〕�
FIG.1 Influence of Toluene
Methyl acrylate
indicating value 〔ppm〕
10 20 30 40 50 0
20
30
10
50
60
40
80
100
90
70
Hexane〔ppm〕�
FIG. 2 Influence of Hexane

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