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- 216S 產(chǎn)品型號(hào)
- 品牌
- 代理商 廠(chǎng)商性質(zhì)
- 上海市 所在地
訪(fǎng)問(wèn)次數(shù):236更新時(shí)間:2022-06-02 18:20:02
- 聯(lián)系人:
- 朱紅亮
- 電話(huà):
- 021-38270065
- 手機(jī):
- 17601355022
- 地址:
- 中國(guó)(上海)自由貿(mào)易試驗(yàn)區(qū)臨港新片區(qū)宏祥北路83弄1-42號(hào)20幢118室
掃一掃訪(fǎng)問(wèn)手機(jī)商鋪
丙烯酸氣體檢測(cè)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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