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首頁>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>188U乙酸異戊酯氣體檢測管188U ISOPENTYL ACETATE 10-400ppm

乙酸異戊酯氣體檢測管188U ISOPENTYL ACETATE 10-400ppm

簡要描述:

乙酸異戊酯氣體檢測管188U ISOPENTYL ACETATE 10-400ppm CH3CO2(CH2)2CH(CH3)2 別名:醋酸異戊酯;香蕉油;香蕉水檢測管。色狀: 無色透明液體,較強的新鮮果香,稍甜,有類似熟香蕉、生梨和蘋果樣的氣味。健康危害:蒸氣對眼及上呼吸道粘膜有刺激性。有麻醉作用接觸后出現(xiàn)咳嗽、胸悶、疲乏、限燒灼感。高濃度時,則有頭暈、發(fā)燒感受。脈速、心悸、頭痛、耳鳴、震顫、惡心、食欲喪失。可引起皮膚干燥、皮炎、濕疹。

更新時間:2025-01-08

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乙酸異戊酯氣體檢測管188U ISOPENTYL ACETATE 10-400ppm

乙酸異戊酯氣體檢測管188U ISOPENTYL ACETATE 10-400ppm

Tube 88U
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