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首页>产品中心>日本光明北川式气体检测管>气体快速检测管>239S羰基硫化物COS气体检测管239S CARBONYL SULPHIDE 5-60ppm

羰基硫化物COS气体检测管239S CARBONYL SULPHIDE 5-60ppm

简要描述:

碳酰硫化物(Carbonyl sulphide)羰基硫化物COS气体检测管239S CARBONYL SULPHIDE 5-60ppm,硫化羰检测管,“臭气浓度" 的定义是指将气味(原臭)“用无臭的干净空气进行稀释时,正好达到无臭时所需要的稀释倍数"。臭气浓度100是指如果将气味(原臭)用无臭的干净空气进行100倍的稀释,那么气味就会消失。另外,还有一种叫臭气指数的标准,更能对应于人的嗅觉感觉量。它是臭气浓度常用对数的10倍,在日本的《恶臭防止法》中就采用了臭气指数。

更新时间:2017-08-12

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羰基硫化物COS气体检测管239S CARBONYL SULPHIDE 5-60ppm

羰基硫化物COS气体检测管239S CARBONYL SULPHIDE 5-60ppm

Tube No.239S


1. PERFORMANCE
1) Measuring range :5-60 ppm
Number of pump strokes 1(100ml)
2) Sampling time :2 minutes/1 pump stroke
3) Detectable limit :2 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary under 20℃(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Pink→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:5% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTI0N
By discomposing with an Oxidizer, Sulphur dioxide is produced. Sulphur dioxide reacts with Alkali and PH
indicator is discoloured.
COS+CrO3+H2SO4→SO2
SO2+2NaOH→Na2SO3+H2O
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY􀀀
􀀀􀀀
􀀀 􀀀
GAS To pump
DETECTOR TUBE
(white) (Yellow)
PRETREAT TUBE
5
10
20
30
40
50
60
100ml
ppm
239S CARBONYL SULPHIDE
Substance Interference Coexistence
Sulphur dioxide Higher readings are given.
Hydrogen sulphide 〃
Carbon disulphide 〃
TEMPERATURE CORRECTION TABLE
Scale Corrected Concentration (ppm)
Readings 0℃ 10℃ 20-40℃
(ppm) (32°F) (50°F) (68-104°F)
60 85 70 60
50 75 60 50
40 60 45 40
30 45 35 30
20 30 25 20
10 15 12 10
5 7 6 5

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