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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>111SA乙酸乙酯CH3CO2C2H5气体检测管111SA ETHYL ACETATE 0.1-5.0%

乙酸乙酯CH3CO2C2H5气体检测管111SA ETHYL ACETATE 0.1-5.0%

简要描述:

乙酸乙酯CH3CO2C2H5气体检测管111SA ETHYL ACETATE 0.1-5.0%,取样时,每次抽50毫升,抽两次的效果是否和抽一百毫升一样? 不是。因为两种状态下,气体在检测管中的的流速是不一样的,其与检测剂的反应速率也会不一样。

更新时间:2017-07-30

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乙酸乙酯CH3CO2C2H5气体检测管111SA ETHYL ACETATE 0.1-5.0%

乙酸乙酯CH3CO2C2H5气体检测管111SA ETHYL ACETATE 0.1-5.0%

Tube No.111SA
1. PERFORMANCE
1) Measuring range :0.1-5.0%
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :10 ppm
4) Shelf life :3 years
5) Operating temperature : 0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Orange→Brownish green
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3CO2C2H5+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.3
0.1
%
􀀀􀀀
111SA ETHYL ACETATE
TEMPERATURE CORRECTION TABLE
Scale True Concentration (%)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
5.0 - - 5.0 4.0 3.0
4.5 - - 4.5 3.6 2.7
4.0 - 5.8 4.0 3.2 2.4
3.5 - 5.0 3.5 2.8 2.1
3.0 - 4.2 3.0 2.3 1.7
2.5 - 3.5 2.5 1.9 1.4
2.0 - 2.6 2.0 1.5 1.1
1.5 2.6 1.9 1.5 1.1 0.7
1.0 1.5 1.2 1.0 0.7 0.4
0.5 0.6 0.6 0.5 0.3 0.2
0.3 0.4 0.3 0.3 0.2 0.1
0.1 0.1 0.1 0.1 0.1 0.1
Substance Interference ppm Coexistence
Acetylene 3% Whole reagent is discoloured to
Brown.
Propane 0.2% 〃
Other organic or vapours
except Halogenated hydro- Similar stain is produced. 50 Higher reading are given.

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