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當(dāng)前位置:上海境宣實(shí)業(yè)有限公司>>日本光明北川式氣體檢測(cè)管>>氣體快速檢測(cè)管>> 119U1,4-二氧六環(huán)氣體檢測(cè)管119U 1,4-DIOXANE 20-500ppm
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產(chǎn)品型號(hào)119U
品 牌
廠商性質(zhì)代理商
所 在 地上海市
更新時(shí)間:2024-11-20 10:51:42瀏覽次數(shù):1157次
聯(lián)系我時(shí),請(qǐng)告知來自 化工儀器網(wǎng)苯氣體檢測(cè)管118SB BENZENE 5-300ppm
室內(nèi)空氣甲醛檢測(cè)管No.713 FORMALDEHYDE 0.01-0
氯乙烯CH2=CHCl氣體測(cè)毒管132SC VINYL CHLORID
氯乙烯CH2=CHCl氣體檢知管132SB VINYL CHLORID
1,4-二氧六環(huán)氣體檢測(cè)管119U 1,4-DIOXANE 20-500ppm
Tube No.
1. PERFORMANCE
1) Measuring range :20-500 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :5 ppm
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Graduations printed on the tube are calibrated by Methyl alcohol at 1 pump stroke
and 1,4-Dioxane concentration is determined by using a conversion chart.
8) Colour change :Orange→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Pottassium dichromate is reduced.
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1000
800
600
400
200
100
50
20
ppm
119U C 1, 4-DIOXANE
O O+Cr6++H2SO4→CH2CH2 Cr3+
CH2CH2
TEMPERATURE CORRECTION TABLE
Scale True Concentration (%)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
500 700 600 500 470 440
400 480 440 400 370 350
300 370 330 300 280 260
200 250 220 200 190 170
100 130 110 100 90 85
50 65 60 50 45 40
20 25 23 20 18 15
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