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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:2024-09-24
在线留言乙酸异丁酯气体检测管153U ISOBUTYL ACETATE 10-400ppm
Tube 53U
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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