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丙酸CH3CH2COOH氣體檢測管216S PROPIONIC ACID 3-50ppm,健康危害: 吸入本品對呼吸道有強烈刺激性,可發(fā)生肺水腫。蒸氣對眼有強烈刺激性,液體可致嚴重眼損害。皮膚接觸可致灼傷。大量口服出現(xiàn)惡心、嘔吐和腹痛。公共場所:電影院、劇場、商場、飯店和酒店等,體育與休閑:游泳池、訓練場、室內(nèi)體育設施等,環(huán)境:環(huán)保局、疾病預防控制中心、環(huán)境監(jiān)測站(大隊)等,突發(fā)性化學事故:如火災、爆炸、毒氣泄漏等,針對突發(fā)公共衛(wèi)生事件應急監(jiān)測推出的氣體應急檢測箱等。
更新時間:2024-11-13
在線留言丙酸CH3CH2COOH氣體檢測管216S PROPIONIC ACID 3-50ppm
Tube No.216S
1. PERFORMANCE
1) Measuring range :1-50 ppm
Number of pump strokes :1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.1 ppm(100ml)
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(0~20℃)(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:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By reacting with alkali, PH indicator is discoloured.
HCO2H+NaOH→HCO2Na+H2O
4. CALIBRATION OF THE TUBE
VAPOUR PRESSURE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
50
40
30
20
10
5
13
100ml
ppm
216S FORMIC ACID
Substance ppm Interference ppm Coexistence
Sulphur dioxide Similar stain is produced. HCO2Hconc. ×1/20 Higher readings are given.
Nitrogen dioxide 300 〃10 The top of discoloured layer
becomes unclear.
Hydrogen chloridFeIG.1 Pink stain is produced. HCO×2H2conc. Higher readings are given.
Chlorine FIG.2 Bprluoediusche yde. llow stain is 5 〃
Acetic acid Similar stain is produced. 〃
0
60
10
20
30
40
50
Hydrogen chloride〔ppm〕?
FIG.1 Influence of Hydrogen chloride
Formic acid indicating value 〔ppm〕
100 200 300
Coexistence
Interference
0
60
10
10
20
20
30
30
40
40
50
50
Chlorine〔ppm〕?
FIG.2 Influence of Chlorine
Formic acid indicating value 〔ppm〕
Coexistence
Interference
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20~40℃
(ppm) (32°F) (50°F) (68°F)
50 82 60 50
40 57 45 40
30 36 32 30
20 22 21 20
10 10 10 10
5 5 5 5
2 2 2 2
(NOTE)
This tube scale is calibrated based on Acetic acid and the same scale is available for Formic acid.
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