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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>153U乙酸异丁酯气体检测管153U ISOBUTYL ACETATE 10-400ppm

乙酸异丁酯气体检测管153U ISOBUTYL ACETATE 10-400ppm

简要描述:

乙酸异丁酯CH3CO2CH2CH(CH3)2气体检测管153U ISOBUTYL ACETATE 10-400ppm C6H12O2;CH3COOCH2CH(CH3)2 别名:醋酸异丁酯,健康危害:蒸气对眼及上呼吸道有刺激性。高浓度吸入有麻醉作用,引起头痛、头晕、恶心、呕吐等。大量口服引起头痛、恶心、呕吐,甚至发生昏迷。皮肤较长时间接触有刺激性。

更新时间:2017-09-08

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乙酸异丁酯气体检测管153U ISOBUTYL ACETATE 10-400ppm

乙酸异丁酯气体检测管153U ISOBUTYL ACETATE 10-400ppm

Tube No.153U

1. PERFORMANCE
1) Measuring range :10-400 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :3 ppm
4) Shelf life :1 year
5) Operating temperature :10~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Pale yellow→Pale blue(The top of discoloured layer is Brown, but read at the
top of Pale blue.)
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3CO2CH2(CH3)2+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
300
400
200
150
100
50
30
20
10
ppm
DEHUMIDIFIER

􀀀􀀀
153U ISOBUTYL ACETATE
Substance Interference Coexistence
Esters Similar stain is produced. Higher readings are given.
Alcohols 〃〃
Ketones 〃〃
Halogenated hydrocarbons FIG.1 Whole reagent is changed to Brown. 〃
0
300
400
100
200
500
1,1,1-Trichloroethane〔ppm〕�
FIG.1 Influence of 1,1,1-Trichloroethane
Isobutyl acetate indicating value 〔ppm〕
100 200 300 400 500 600
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 15℃ 20℃ 25℃ 30℃ 35℃ 40℃
(ppm) (50°F) (59°F) (68°F) (77°F) (86°F) (95°F) (104°F)
400 - - 400 285 240 210 190
300 - - 300 225 190 170 160
200 - 275 200 165 140 130 120
150 - 195 150 125 110 103 95
100 - 120 100 90 80 75 70
50 70 55 50 45 40 40 35
30 40 35 30 25 20 20 20
15 20 15 15 15 10 10 10

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