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氯氣Cl2檢知管 109U CHLORINE 臭氧濃度需要達(dá)到20-30mg/m3;如果是對(duì)10萬(wàn)級(jí)、萬(wàn)級(jí)、局部百級(jí)潔凈度的車間消毒時(shí),臭氧濃度須達(dá)到30-100mg/m3。在對(duì)包裝材料進(jìn)行臭氧熏蒸消毒時(shí),消毒室/柜內(nèi)空氣中的臭氧濃度一般在50-200mg/m3之間;在對(duì)生魚片、蝦仁等水產(chǎn)品進(jìn)行臭氧水浸泡消毒時(shí),水中臭氧濃度一般在0.8-1.0ppm之間
更新時(shí)間:2025-01-08
在線留言氯氣Cl2檢知管 109U CHLORINE
1. PERFORMANCE
1) Measuring range :0.1-2 ppm 0.05-1 ppm
Number of pump strokes 1(100ml) 2(200ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.01 ppm(200ml)
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Reading :Direct readingfrom the scale calibrated by 1 pump stroke
7) Colour change :White→Pale purple
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with 3, 3’-Dimethylnaphthidine, Nitroso-compound is produced.
CI2+3, 3’-Dimethylnaphthidine→Nitroso-compound
4. CALIBRATION OF THE TUBE
PERMEATION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
2.0
1.5
1.0
0.5
0.3
0.1
100ml
ppm
Tube No.
109U CHLORINE
Substance Interference ppm Coexistence
Hydrogen chloride FIG.1 Tafhfeec atecdc.uracy of readings is not cConhclo.×rin2e0 Higher readings are given.
Nitrogen dioxide FIG.2 Similar stain is produced. 〃
(NOTE)
In case of 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=1/2×Reading value
0
2
1
Hydrogen chloride〔ppm〕
FIG.1 Influence of Hydrogen chloride
Chlorine indicating value 〔ppm〕
20 40 0
2
1
Nitrogen dioxide〔ppm〕
FIG.2 Influence of Nitrogen dioxide
Chlorine indicating value 〔ppm〕
2 4
Coexistence
Interference
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