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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>237S日本北川式丁基甲基酮气体检测管237S Methyl butyl ketone 5-80ppm

日本北川式丁基甲基酮气体检测管237S Methyl butyl ketone 5-80ppm

简要描述:

丁基甲基酮气体检测管Methyl butyl ketone CH3(CH2)3COCH3 237S VINYL ACETATE 5-80ppm 醋酸乙烯气体检测管,丁基甲基酮气体检测管237S Methyl butyl ketone 5-80ppm,测量气体的检测管实际是将化学分析方法仪器化,是一种定量、定性、定值的检测方式,具有化学分析和仪器分析的双重优点。

更新时间:2017-07-30

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日本北川式丁基甲基酮气体检测管237S Methyl butyl ketone 5-80ppm

丁基甲基酮气体检测管237S Methyl butyl ketone 5-80ppm

Tube No.237S

1. PERFORMANCE
1) Measuring range :10-120 ppm 5-60 ppm
Number of pump strokes 1(100ml) 2(200ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :1 ppm(200ml)
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :Yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3CO2CH=CH2+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
100
ml
ppm
GAS To pump
DEHUMIDIFIER
(White)
120
100
80
60
40
20
10
237S VINYL ACETATE
Substance Interference ppm Coexistence
Acetic acid The accuracy of readings is not
affected.
Ethylene 150 The top of discoloured layer becomes
unclear.
Alcohols Similar stain is produced. Higher readings are given.
Ethers 〃〃
A(mlipohrea ttihca hny Cdr3o)carbons tWo hBorloew lany. er is discoloured 〃
Aromatic hydrocarbons 〃〃
Halogenated hydrocarbons 〃〃
Esters 〃〃
Ketones 〃〃
(NOTE)
In case of 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=1/2×Reading value

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