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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管>>氣體快速檢測管>> 210U乙酸戊酯CH3CO2(CH2)4CH3氣體檢測管210U PENTYL ACETATE 10-200
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產(chǎn)品型號(hào)210U
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所 在 地上海市
更新時(shí)間:2024-11-28 07:44:04瀏覽次數(shù):1475次
聯(lián)系我時(shí),請(qǐng)告知來自 化工儀器網(wǎng)室內(nèi)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
乙酸戊酯CH3CO2(CH2)4CH3氣體檢測管210U PENTYL ACETATE 10-200ppm
Tube No.210U
1. PERFORMANCE
1) Measuring range :10-200 ppm
Number of pump strokes 3(300ml)
2) Sampling time :4.5 minutes/3 pump strokes
3) Detectable limit :4 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 3 pump strokes
8) Colour change :Pale yellow→Pale blue(more than 20 ppm)
〃 →Dark brown(20 ppm or less)
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3CO2CH2(CH2)3CH3+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
10
30
50
100
150
200
ppm
300ml
GAS To pump
DEHUMIDIFIER(White)
210U PENTYL ACETATE
Substance Interference Coexistence
Alcohols Similar or Blue stain is produced. Higher readings are given.
Esters 〃〃
Ketones 〃〃
Aliphatic hydrocarbons 〃〃
Aromatic hydrocarbons The accuracy of readings is not affected. Whole reagent is changed to Brown.
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 20℃ 30℃ 40℃
(ppm) (50°F) (68°F) (86°F) (104°F)
200 240 200 160 120
150 180 150 130 100
100 120 100 80 70
50 60 50 40 30
30 36 30 24 18
10 10 10 8 6
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