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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>126SA二氧化碳气体检知管126SA Carbon dioxide 0.1-5.2%

二氧化碳气体检知管126SA Carbon dioxide 0.1-5.2%

简要描述:

二氧化碳气体检知管126SA Carbon dioxide 0.1-5.2%,有关气体浓度表示方法及换算,重量、体积比表示方法:即每立方米气样中所含被测气体物质的毫克数(毫克/立方米 mg/m3 )。体积比表示法:即一定体积气样中所含被测气体物质所占的体积百分数(%)。在微量分析中通常以ppm表示, 1% = 10000ppm

更新时间:2017-07-25

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二氧化碳气体检知管126SA Carbon dioxide 0.1-5.2%

二氧化碳气体检知管126SA Carbon dioxide 0.1-5.2%

1. PERFORMANCE
1) Measuring range :0.2-5.2% 0.1-2.6%
Number of pump strokes 1/2(50ml) 1(100ml)
2) Sampling time :5 minutes/1 pump stroke
3) Detectable limit :100 ppm(100mr)
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Pale blue→Pale pink
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with alkali, PH indicator is discoloured.
CO2+2NaOH→NaCO3+H2O
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.5
0.4
0.3
0.2
0.1
%
100ml
GAS To pump
Tube No.
126SA CARBON DIOXIDE
TEMPERATURE CORRECTION TABLE
Scale True Concentration (%)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
3.5 5.5 4.6 3.5 3.2 2.8
3.0 4.7 3.9 3.0 2.7 2.4
2.5 3.9 3.2 2.5 2.2 2.0
2.0 3.1 2.6 2.0 1.8 1.6
1.5 2.4 1.9 1.5 1.4 1.2
1.0 1.6 1.3 1.0 0.9 0.8
0.8 1.3 1.0 0.8 0.7 0.7
0.5 0.8 0.7 0.5 0.5 0.4
0.3 0.5 0.4 0.3 0.3 0.3
0.1 0.2 0.1 0.1 0.1 0.1
Substance Interference ppm Coexistence
Hydrogen sulphide Similar stain is produced. 100 Higher readings are given.
Chloride 〃100 〃
Hydrogen cyanide 〃200 〃
Sulphur dioxide 〃500 〃
(NOTE)
In case of 1 / 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=2×Temperature corrected value.
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www.r-biopharm.com.cn

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