當前位置:上海境宣實業有限公司>>日本光明北川式氣體檢測管>>氣體快速檢測管>> 111U乙酸乙酯氣體檢測管111U ETHYL ACETATE 20-300ppm
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
乙酸乙酯氣體檢測管111U ETHYL ACETATE 20-300ppm
Tube No.
111U
1. PERFORMANCE
1) Measuring range :20-1,000 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :10 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.
CH3CO2C2H5+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1000
800
600
400
200
100
50
20
??????????
????
?? ??
111U ETHYL ACETATE
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
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 1,330 1,200 1,000 830 700 600 500
800 1,080 950 800 670 550 470 400
600 830 720 600 500 420 380 300
400 570 480 400 330 280 240 200
200 280 240 200 170 140 120 100
100 150 120 100 80 70 60 50
50 70 60 50 40 30 20 10
20 30 25 20 15 10 7 4
Substance Interference Coexistence
Alcohols Similar stain is produced. Higher reading are given.
Esters 〃〃
Ketones 〃〃
Aromatic hydrocarbons 〃〃
Whole reagent is discoloured to It the top of brown stain is clear,
Paraffin hydrocarbons Pale brown. athffee catcecdu.racy of readings is not
Halogenated hydrocarbons FIG.1 〃〃
0
200
400
600
800
1000
Trichloroethylene〔ppm〕?
FIG.1 Influence of Trichloroethylene
Ethyl acetate indicating value 〔ppm〕
100 200 300
112
Tube No.
1. PERFORMANCE
1) Measuring range :5-60 ppm
Number of pump strokes 2(200ml)
2) Sampling time :3 minutes/2 pump strokes
3) Detectable limit :0.5 ppm
4) Shelf life : :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Graduations printed on the tube are calibrated by Methyl acrylate at 2 pump strokes
and Ethyl acrylate concentration is determined by using a conversion chart.
8) Colour change :Yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH2=CHCO2CH2CH3+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
60
40
20
10
5
ppm
200ml
DEHUMIDIFIER
(White)
??????????
????
211U C ETHYL ACR
請輸入賬號
請輸入密碼
請輸驗證碼
以上信息由企業自行提供,信息內容的真實性、準確性和合法性由相關企業負責,化工儀器網對此不承擔任何保證責任。
溫馨提示:為規避購買風險,建議您在購買產品前務必確認供應商資質及產品質量。