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丙烯腈氣體檢測(cè)管128SA ACRYLONITRILE CH2=CHCN 0.1-3.5%,氣體檢測(cè)管是用來檢測(cè)某種氣體在某一環(huán)境中所含濃度的簡(jiǎn)易檢測(cè)裝置,通過檢測(cè)劑與被檢測(cè)氣體的反應(yīng)而出現(xiàn)顏色變化,來表示所測(cè)環(huán)境中的氣體濃度。在不用任何能源、電源的情況下,具有操作簡(jiǎn)單、使用范圍廣、檢測(cè)準(zhǔn)確、即時(shí)性強(qiáng)和經(jīng)濟(jì)的特點(diǎn)。
更新時(shí)間:2024-11-20
在線留言丙烯腈氣體檢測(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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