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當前位置:上海境宣實業有限公司>>日本光明北川式氣體檢測管>>氣體快速檢測管>> 190U四氫萘C10H12氣體檢測管190U Dicyclopentadiene 2-60ppm

四氫萘C10H12氣體檢測管190U Dicyclopentadiene 2-60ppm

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產品型號190U

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更新時間:2024-12-18 19:13:26瀏覽次數:920次

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190U ETHYL CELLOSOLVE (+) 四氫萘C10H12 Dicyclopentadiene 2-60ppm 總代理銷售日本光明理化學工業株式會社北川式氣體檢測管,提供日本光明理化學工業株式會社北川式氣體檢測管介紹,日本光明理化學工業株式會社北川式氣體檢測管應用,日本光明理化學工業株式會社北川式氣體檢測管價格,日本光明理化學工業株式會社北川式氣體檢測管說明書,日本光明理化學工業株式會社北川式氣體檢測管售后服務,日本光明理化學工業株式會社北川式氣體檢測管中國總代理

四氫萘C10H12氣體檢測管190U Dicyclopentadiene 2-60ppm

Tube 90U
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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