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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>216S丙烯酸气体检测管 216S ACRYLIC ACID (+) CH2=CHCOOH 1-50ppm

丙烯酸气体检测管 216S ACRYLIC ACID (+) CH2=CHCOOH 1-50ppm

简要描述:

丙烯酸气体检测管 216S ACRYLIC ACID (+) CH2=CHCOOH 1-50ppm,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。

更新时间:2017-07-26

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丙烯酸气体检测管 216S ACRYLIC ACID (+) CH2=CHCOOH 1-50ppm

丙烯酸气体检测管 216S ACRYLIC ACID (+) CH2=CHCOOH 1-50ppm

Tube No.216S
1. PERFORMANCE
1) Measuring range :1-50 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :0.2 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 :Pale Pink→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By reacting with alkali,PH indicator is discoloured.
CH3COOH+NaOH→CH3CO2Na+H2O
4. CALIBRATION OF THE TUBE
DIFFUSION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
3
1
ppm
100ml
GAS To pump
5
10
20
30
40
50
216S ACETIC ACID
Substance ppm Interference ppm Coexistence
Sulphur dioxide Similar stain is produced. 1/20×Acetic Higher readings are given.
acid
Nitrogen dioxide 300 〃10 Unclear stain is produced.
Hydrogen chloride Pink stain is produced. 2×Acetic FIG.1 acid Higher readings are given.
Chlorine FIG.2 Yellow stain is produced. 5 〃
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
50 63 57 50 45 40
40 50 45 40 36 31
30 37 33 30 27 23
20 24 22 20 18 16
10 12 11 10 9 8
5 6 6 5 5 4
3 4 4 3 3 2
1 1 1 1 1 1
0
50
30
20
40
10
Hydrogen chloride〔ppm〕�
FIG.1 Influence of Hydrogen chloride
Acetic acid indicating value 〔ppm〕
100 200 300
Coexistence
Interference
0
60
20
40
Chlorine〔ppm〕�
FIG.2 Influence of Chlorine
Acetic acid indicating value 〔ppm〕
250 500
Coexistence
Interference
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