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四氢萘C10H12气体检测管190U Dicyclopentadiene 2-60ppm

简要描述:

190U ETHYL CELLOSOLVE (+) 四氢萘C10H12 Dicyclopentadiene 2-60ppm 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管售后服务,日本光明理化学工业株式会社北川式气体检测管中国总代理

更新时间:2018-04-16

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四氢萘C10H12气体检测管190U Dicyclopentadiene 2-60ppm

四氢萘C10H12气体检测管190U Dicyclopentadiene 2-60ppm

Tube No.190U
1. PERFORMANCE
1) Measuring range :2-60 ppm
Number of pump strokes 3(300 ml)
2) Sampling time :4.5 minutes / 3 pump strokes
3) Detectable limit :0.5 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Graduations printed on the tube are calibrated by Ethyl cellosolve at 3 pump
strokes and Furfural concentration is determined by using a conversion chart.
8) Colour change :Yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH=CH
O +H2SO4+Cr6+→Cr3+
CH=C-CHO
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
500
400
300
200
150
100
50
20
5
ppm
(White)
DEHUMIDIFIER
190U C FURFURAL
Substance ppm Interference Coexistence
Alcohols Similar stains are produced and higher
readings are given.
Toluene 200 Whole reagent is changed to Pale orange. Unclear stains are produced.
TEMPERATURE CORRECTION TABLE
Conver. Corrected Concentration (ppm)
value 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
60 - - 60 50 45
50 - 71 50 45 40
40 - 53 40 35 35
30 63 35 30 30 30
20 25 22 20 20 20
15 17 15 15 15 15
10 10 10 10 10 10
5 5 5 5 5 5
2 2 2 2 2 2

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