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當前位置:上海境宣實業(yè)有限公司>>日本光明北川式氣體檢測管>>氣體快速檢測管>> 111U正癸烷CH3(CH2)8CH3氣體檢測管111U n-Decane 5-90ppm
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產(chǎn)品型號111U
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廠商性質代理商
所 在 地上海市
更新時間:2024-12-18 18:40:30瀏覽次數(shù):1841次
聯(lián)系我時,請告知來自 化工儀器網(wǎng)室內空氣甲醛檢測管No.713 FORMALDEHYDE 0.01-0
氯乙烯CH2=CHCl氣體測毒管132SC VINYL CHLORID
氯乙烯CH2=CHCl氣體檢知管132SB VINYL CHLORID
正癸烷CH3(CH2)8CH3氣體檢測管111U n-Decane 5-90ppm
Tube 11U
1. PERFORMANCE
1) Measuring range :10-1,000 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 :10~40℃
6) Temperature compensation :Necessary (See "TEMPERATURE CORRECTION TABLE" )
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Yellow→Brown
2. RELATIVE STANDARD DEVIATION
RSD-low :10 % RSD-mid.:10 % RSD-high :5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH 3CO 2C 2H 5+Cr 6++H 2SO 4→Cr 3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
111U ETHYL ACETATE
TEMPERATURE CORRECTION COEFFICIENT TABLE
Scale Correction Coefficient (at 20℃)
Readings 10 ℃ 15 ℃ 20 ℃ 25 ℃ 30 ℃ 35 ℃ 40℃
(ppm) (50 °F) (59°F) (68°F) (77 °F) (86°F) (95°F) (104°F )
1,000 1.33 1.17 1.0 0.87 0.74 0.64 0.53
Substance Interference Coexistence
Alcohols Similar stain is produced. Higher reading are given.
Esters 〃〃
Ketones 〃〃
Aromatic hydrocarbons 〃〃
Whole reagent is discoloured
It the top of brown stain is
Paraffin hydrocarbons clear, the accuracy of
Pale brown.
readings is not affected.
Halogenated hydrocarbons
〃〃
FIG.1
0
200
400
600
800
1000
Trichloroethylene 〔ppm〕
FIG.1 Influence of Trichloroethylene
E thyl acetate indicating value 〔ppm 〕
100 200 300
800 1.38 1.19 1.0 0.86 0.73 0.63 0.53
600 1.40 1.20 1.0 0.86 0.72 0.63 0.53
400 1.40 1.20 1.0 0.85 0.70 0.58 0.46
200 1.40 1.20 1.0 0.84 0.68 0.55 0.42
100 1.50 1.25 1.0 0.81 0.62 0.48 0.33
50 1.50 1.25 1.0 0.77 0.54 0.43 0.32
30 1.50 1.25 1.0 0.77 0.53 0.42 0.30
10 1.50 1.25 1.0 0.75 0.50 0.40 0.30
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