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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正戊酸CH3(CH2)3COOH气体检测管216S N-VALERIC ACID 3-70ppm

正戊酸CH3(CH2)3COOH气体检测管216S N-VALERIC ACID 3-70ppm

简要描述:

正戊酸CH3(CH2)3COOH气体检测管216S N-VALERIC ACID 3-70ppm,中文名称: (正)戊酸,英文名称: n-valeric acid,健康危害: 吸入、摄入或经皮肤吸收后对身体有害。可引起灼伤。对眼睛、皮肤、粘膜和上呼吸道具有强烈刺激作用。吸入后,可引起喉、支气管的炎症、水肿、痉挛,化学性肺炎或肺水肿。接触后可引起烧灼感、咳嗽、喘息、气短、头痛、恶心和呕吐等。

更新时间:2017-07-08

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正戊酸CH3(CH2)3COOH气体检测管216S N-VALERIC ACID 3-70ppm

正戊酸CH3(CH2)3COOH气体检测管216S N-VALERIC ACID 3-70ppm

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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