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首頁>產品中心>日本光明北川式氣體檢測管>氣體快速檢測管>139SB乙醛(醋醛)檢測管BUTYL ACETATE CH3CO2C4H9 10-400ppm

乙醛(醋醛)檢測管BUTYL ACETATE CH3CO2C4H9 10-400ppm

簡要描述:

139SB BUTYL ACETATE (+) 乙醛(醋醛)檢測管BUTYL ACETATE CH3CO2C4H9 10-400ppm,準確度誤差主要來源于檢測管本身質量,這主要決定于產品在制造過程中計量管理和質量管理是否規范、加強這方面技術管理是確保檢測管質量的前題,另外檢測管化學組份較為復雜,易產生質變,應該使用在有效期內的檢測管。

更新時間:2025-01-01

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乙醛(醋醛)檢測管BUTYL ACETATE CH3CO2C4H9 10-400ppm

乙醛(醋醛)檢測管139SB BUTYL ACETATE CH3CO2C4H9 10-400ppm

1. PERFORMANCE
1) Measuring range :0.01-1.0%
Number of pump strokes 2(200ml)
2) Sampling time 3 minutes/2 pump strokes
3) Detectable limit :10 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Reading :Graduations printed on the tube are calibrated by Methyl ethyl ketone at 2 pump
strokes and Butyl acetate concentration is determined by using a conversion chart.
7) Colour change :Orange→Brownish green
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Potassium dichromate is reduced.
CH3CO2(CH2)3CH3+Cr6+H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
0.01
0.05
0.1
0.2
0.4
0.6
0.8
1.0
1.2
1.4
%? GAS To pump
Tube No.
BUTYL ACETATE
Substance Interference ppm Coexistence
Acetylene 3% Whole reagent is clanged to Brown.
Propane 0.2% 〃
Other organic gases or vapours
except Halogenated hydrocar- Similar stain is produced. 50 Higher readings are given.
bons
139SB C
Butyl acetate(%)?
39SB Tube reading(%)?
(200mR)?
0.01
0.05
0.1
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0.01
0.1
0.2
0.4
0.6
0.8
1.0
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