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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>139U二异丁基酮气体检测管139U Diisobutyl ketone 20-1000ppm

二异丁基酮气体检测管139U Diisobutyl ketone 20-1000ppm

简要描述:

139U DIISOBUTYL KETONE (+) 139U二异酮,便携式气体检测管二异丁基甲酮检测管[(CH3)2CHCH2]2CO,二异丁基酮Diisobutyl ketone 20-1,000ppm,总代理销售日本光明理化学工业株式会社北川式气体检测管,提供日本光明理化学工业株式会社北川式气体检测管介绍,日本光明理化学工业株式会社北川式气体检测管应用,日本光明理化学工业株式会社北川式气体检测管价格,日本光明理化学工业株式会社北川式气体检测管说明书,日本光明理化学工业株式会社北川式气体检测

更新时间:2017-12-14

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二异丁基酮气体检测管139U Diisobutyl ketone 20-1000ppm

二异丁基酮气体检测管139U Diisobutyl ketone 20-1000ppm

Tube No.139U
1. PERFORMANCE
1) Measuring range :20-1,500 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :10 ppm
4) Shelf life :2 years
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 :Yellow→Pale blue(The top of discoloured layer is Brown.)
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3COC2H5+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
20
50
100
200
500
1000
1500
ppm
GAS To pump
DEHUMIDIFIER
(White)
139U METHYL ETHYL KETONE
Substance Interference Coexistence
Alcohols Similar or Brown stain is produced. Higher readings are given.
Esters 〃〃
Ketones 〃〃
Aromatic hydrocarbons 〃〃
Whole reagent is changed to Brown,
Halogenated hydrocarbons but if the top of Pale blue stain is clear,
FIG.2 the reading can be obtained.
Paraffin hydrocarbons FIG.1 〃
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)
1,500 2,050 1,750 1,500 1,280 1,100 940 820
1,000 1,430 1,200 1,000 850 720 620 530
500 750 620 500 430 360 320 280
200 300 250 200 170 140 120 110
100 160 120 100 90 70 60 50
50 80 60 50 40 30 30 20
20 30 30 20 20 10 10 10
0
1200
1400
800
400
600
1000
Hexane〔ppm〕�
FIG.1 Influence of Hexane
Methyl ethyl ketone
indicating value 〔ppm〕
100 200 300 400 500
200
0
1200
1400
800
400
600
1000
Trichloroethylene〔ppm〕�
FIG.2 Influence of Trichloroethylene
Methyl ethyl ketone
indicating value 〔ppm〕
200 400 600
200

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