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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>138U醋酸丁酯检测管 BUTYL ACETATE 10-400ppm CH3CO2C4H9

醋酸丁酯检测管 BUTYL ACETATE 10-400ppm CH3CO2C4H9

简要描述:

醋酸丁酯检测管 乙酸丁酯 乙酸正丁酯 Butyl acetate138U BUTYL ACETATE 10-400ppm 醋酸丁酯检测管 BUTYL ACETATE 10-400ppm CH3CO2C4H9用批量生产的气体检测管进行气体分析其精密度误差应是很小的,这是因为其内在质量相同,加之使用简便,外来引入误差很少而造成的,经验上一般不会大于7%。

更新时间:2017-09-19

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醋酸丁酯检测管 BUTYL ACETATE 10-400ppm CH3CO2C4H9

醋酸丁酯检测管138U BUTYL ACETATE 10-400ppm CH3CO2C4H9

Tube No.138U
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 :10 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 to Brown.)
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Potassium dichromate is reduced.
CH3CO2(CH2)3CH3+Cr6+H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
400
300
200
150
100
50
30
15
10
20
GAS To pump
DEHUMIDIFIER
(White)
138U BUTYL ACETATE
Substance Interference Coexistence
Esters Similar stain is produced. Higher readings are given.
Alcohols FIG.1 〃〃
Ketones 〃〃
Aromatic hydrocarbons Whole reagent is changed to Pale brown. 〃
0
200
300
100
400
50
Methanol〔ppm〕�
FIG.1 Influence of Methanol
Butyl acetate indicating value 〔ppm〕
1000 2000 3000 4000 5000
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 15℃ 20℃ 25℃ 30℃ 35℃ 40℃
(ppm) (50°F) (59°F) (68°F) (77°F) (80°F) (95°F) (95°F)
400 - - 400 235 180 145 120
300 - - 300 185 145 120 100
200 - 345 200 140 110 95 80
150 - 255 150 115 95 80 70
100 - 145 100 80 70 60 50
50 90 65 50 40 35 30 30
30 45 35 30 25 25 20 20
15 20 20 15 15 10 10 10
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