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三氯乙烯Cl2C=CHCl氣體檢測管134SA TRICHLOROETHYLENE 5-300ppm,健康危害: 本品有刺激和麻醉作用。吸入急性中毒者有上呼吸道刺激癥狀、流淚、流涎。隨之出現(xiàn)頭暈、頭痛、惡心、運(yùn)動失調(diào)及酒醉樣癥狀。出現(xiàn)頭暈、頭痛、倦睡、惡心、嘔吐、腹痛、視力模糊、四肢麻木,甚至出現(xiàn)興奮不安、抽搐乃至昏迷,可致死。慢性影響:有乏力、眩暈、惡心、酩酊感等。可有肝損害。皮膚反復(fù)接觸,可致皮炎和濕疹。
更新時間:2024-11-20
在線留言三氯乙烯Cl2C=CHCl氣體檢測管134SA TRICHLOROETHYLENE 5-300ppm
1. PERFORMANCE
1) Measuring range :10-300 ppm 5-150 ppm
Number of pump strokes 1/2(50ml) 1(100ml)
2) Sampling time :2 minutes/1 pump stroke
3) Detectable limit :1 ppm(100ml)
4) Shelf life :2 years(Necessary to store in a refrigerated place ; 0~10℃)
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 :Yellow→Red
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTI0N
By decomposing with an Oxidizer, Hydrogen chloride is produced and PH indicator is discoloured.
CI2C=CHCI+PbO2+H2SO4→HCI
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
150
100
50
30
20
10
5
ppm
PRETREAT REAGENT
(Grey)
Tube No.
134SA TRICHLOROETHYLENE
(NOTE)
In case of 1 / 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=2×Temperature corrected value
Substance Interference Coexistence
Vinyl chloride FIG.2 Similar stain is produced. Higher readings are given.
Hydrogen chloride 〃〃
1,2-Dichloroethylene 〃〃
Tetrachloroethylene 〃〃
Chlorine FIG.1 Pale red stain is produced.
0
200
100
Chlorine〔ppm〕?
FIG.1 Influence of Chlorine
Trichloroethylene indicating value 〔ppm〕
50 100
Coexistence
Interference
0
200
100
Vinyl chloride〔ppm〕?
FIG.2 Influence of Vinyl chloride
Trichloroethylene indicating value 〔ppm〕
200 400
Coexistence
Interference
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
150 - 162 150 144 142
100 120 108 100 96 94
50 58 53 50 48 46
30 34 32 30 29 28
20 20 20 20 20 20
上一篇:236SA1,1,2-三氯乙烷Cl2CHCH2Cl氣體檢測管236SA 10-100ppm
下一篇:134SB三氯乙烯Cl2C=CHCl氣體測毒管134SB TRICHLOROETHYLENE 0.2-36.8
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