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氨气观测管AMMONIA 0.5-30%

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氨气观测管AMMONIA 105SH 0.5-30%,气体检测管是用来检测某种气体在某一环境中所含浓度的简易检测装置,通过检测剂与被检测气体的反应而出现颜色变化,来表示所测环境中的气体浓度。在不用任何能源、电源的情况下,具有操作简单、使用范围广、检测准确、即时性强和经济的特点。www.yd17.cn

更新时间:2017-07-31

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氨气观测管AMMONIA 0.5-30%

氨气观测管AMMONIA 0.5-30%,气体检测管是用来检测某种气体在某一环境中所含浓度的简易检测装置,通过检测剂与被检测气体的反应而出现颜色变化,来表示所测环境中的气体浓度。在不用任何能源、电源的情况下,具有操作简单、使用范围广、检测准确、即时性强和经济的特点。www.yd17.cn

Tube No.105SH
1. PERFORMANCE
1) Measuring range :0.5-30%
Number of pump strokes 1(100mL)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :100 ppm
4) Shelf life :3 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 :Pink→Blue・Brownish green
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Ammonia reacts with Cobalt chloride(II)and complex salt is produced.
NH3+αCoCI2+βH2O→CoCI2・αNH3・βH2O
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
0.5
12
5
10
15
20
25
30
%
100ml
GAS To pump
105SH AMMONIA
Substance ppm Interference ppm Coexistence
Hydrogen sulphide If the top of discoloured layer is
0.01% Whole layer is discoloured to Black. 0.3% possible to read, the accuracy of
FIG.1 readings is not affected.
Amines The accuracy of readings is
not affected.
0
15
5
10
25
25
30
Hydrogen sulphide〔%〕�
FIG.1 Influence of Hydrogen sulphide
Ammonia indicating value 〔ppm〕
0.1 0.2 0.3 0.4 0.5 0.6 0.7
TEMPERATURE CORRECTION TABLE
Scale True Concentration (%)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
30 - 35.0 30.0 27.0 25.0
25 35.0 30.0 25.0 23.0 21.0
20 28.0 24.0 20.0 18.0 17.0
15 22.0 18.0 15.0 13.0 12.0
10 15.0 12.0 10.0 9.0 8.0
5 8.0 6.0 5.0 4.5 4.0
2 3.0 2.5 2.0 1.9 1.8
1 1.2 1.2 1.0 1.0 0.9
0.5 0.5 0.5 0.5 0.5 0.5
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