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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>188U乙酸异戊酯气体检测管188U ISOPENTYL ACETATE 10-400ppm

乙酸异戊酯气体检测管188U ISOPENTYL ACETATE 10-400ppm

简要描述:

乙酸异戊酯气体检测管188U ISOPENTYL ACETATE 10-400ppm CH3CO2(CH2)2CH(CH3)2 别名:醋酸异戊酯;香蕉油;香蕉水检测管。色状: 无色透明液体,较强的新鲜果香,稍甜,有类似熟香蕉、生梨和苹果样的气味。健康危害:蒸气对眼及上呼吸道粘膜有刺激性。有麻醉作用接触后出现咳嗽、胸闷、疲乏、限烧灼感。高浓度时,则有头晕、发烧感受。脉速、心悸、头痛、耳鸣、震颤、恶心、食欲丧失。可引起皮肤干燥、皮炎、湿疹。

更新时间:2017-07-15

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乙酸异戊酯气体检测管188U ISOPENTYL ACETATE 10-400ppm

乙酸异戊酯气体检测管188U ISOPENTYL ACETATE 10-400ppm

Tube No.188U
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 :4 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
Potassium dichromate is reduced
CH3CO2(CH2)2CH(CH3)2+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
400
300
200
150
100
50
30
10
100ml
ppm
DEHUMIDIFIER
(White)
􀀀􀀀􀀀􀀀
188U ISOPENTYL 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. 〃
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 - - 400 240 190 160 140
300 - - 300 200 160 140 120
200 - 360 200 150 125 110 95
150 - 230 150 120 100 90 80
100 - 135 100 85 75 67 60
50 80 60 50 45 40 35 35
30 40 35 30 30 25 25 25
10 10 10 10 10 10 10 10
0
300
400
100
200
50
Methanol〔ppm〕�
FIG.1 Influence of Methanol

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