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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>> 128SA丙烯腈氣體檢測(cè)管128SA ACRYLONITRILE CH2=CHCN 0.1-3.5%
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產(chǎn)品型號(hào)128SA
品 牌
廠商性質(zhì)代理商
所 在 地上海市
更新時(shí)間:2024-11-27 14:51:54瀏覽次數(shù):1159次
聯(lián)系我時(shí),請(qǐng)告知來(lái)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
丙烯腈氣體檢測(cè)管128SA ACRYLONITRILE CH2=CHCN 0.1-3.5%
Tube 28SA
1. PERFORMANCE
1) Measuring range :0.1-3.5%
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :10 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Orange→Dark green
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH2=CHCN+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
0.1
0.3
0.5
0.8
1.0
1.5
2.0
2.5
3.0
3.5
100ml
%
GAS To pump
128SA ACRYLONITRILE
TEMPERATURE CORRECTION TABLE
Scale True Concentration (%)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
3.5 5.5 4.6 3.5 3.2 2.8
3.0 4.7 3.9 3.0 2.7 2.4
2.5 3.9 3.2 2.5 2.2 2.0
2.0 3.1 2.6 2.0 1.8 1.6
1.5 2.4 1.9 1.5 1.4 1.2
1.0 1.6 1.3 1.0 0.9 0.8
0.8 1.3 1.0 0.8 0.7 0.7
0.5 0.8 0.7 0.5 0.5 0.4
0.3 0.5 0.4 0.3 0.3 0.3
0.1 0.2 0.1 0.1 0.1 0.1
Substance Interference ppm Coexistence
Acetylene Whole layer is discolour- Whole layer is discoloured to Brown
ed to Brown. 3% and higher readings are given.
Propane 〃0.2% 〃
Other organic gases or vapours
except Halogenated hydrocar- Similar stain is produced. 50 Higher readings are given.
bons
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