免费无码成人AV电影在线播放,精品露脸国产偷人在视频,国产成人免费视频,少妇高潮a片无套内谢麻豆传

產(chǎn)品列表PRODUCTS LIST

首頁>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>135SA四氯乙烯Cl2C=CCl2氣體檢測管135SA TETRACHLOROETHYLENE 5-300p

四氯乙烯Cl2C=CCl2氣體檢測管135SA TETRACHLOROETHYLENE 5-300p

簡要描述:

四氯乙烯Cl2C=CCl2氣體檢測管135SA TETRACHLOROETHYLENE 5-300ppm,中文名稱2: 全氯乙烯,英文名稱2: perchloroethylene,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、運動失調及酒醉樣癥狀??诜蟪霈F(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??捎懈螕p害。皮膚反復接觸,可致皮炎和濕疹。

更新時間:2025-01-16

在線留言
四氯乙烯Cl2C=CCl2氣體檢測管135SA TETRACHLOROETHYLENE 5-300p

四氯乙烯Cl2C=CCl2氣體檢測管135SA TETRACHLOROETHYLENE 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 REACTION
By decomposing with an Oxidizer, Hydrogen chloride is produced and PH indicator is discoloured.
CCI2=CCI2+PbO2+H2SO4→HCI
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
150
100
100
30
20
10
5
ppm
GAS To pump
PRETREAT REAGENT
(Grey)
Tube No.
135SA TETRACHLOROETHYLENE
Substance Interference Coexistence
Vinyl chloride Similar stain is produced. Higher readings are given.
Hydrogen chloride FIG.1 〃〃
1,2-Dichloroethylene FIG.2 〃〃
Trichloroethylene 〃〃
Chlorine Pale red stain is produced.
(NOTE)
In case of 1 /2 or 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=2×Temperature corrected value
0
200
100
Hydrogen chloride〔ppm〕?
FIG.1 Influence of Hydrogen chloride
Tetrachloroethylene
indicating value 〔ppm〕
500 1000
Coexistence
Interference
0
200
100
1,2-Dichloroethylene〔ppm〕?
FIG.2 Influence of 1,2-Dichloroethylene
Tetrachloroethylene
indicating value 〔ppm〕
50 100
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 - 172 150 138 134
100 144 116 100 92 88
50 70 56 50 46 44
30 40 36 30 28 26
20 22 21 20 19 18
10 10 10 10 10 10

无码OL丝袜高跟秘书在线观看| 日本强伦姧人妻一区二区 | 国内少妇人妻偷人精品免费视频 | 人人妻人人澡人人爽国产| 少妇粗话肉麻对白视频6| 免费看黄的成人app| 久久亚洲美女精品国产精品| 久久国产一区二区三区| 三上悠亚被弄到痉挛惨叫视频 | 搡老熟女国产| 亚洲精品www久久久久久| 一区二国产好的精华| 末发育娇小性色xxxxx视频| 狠狠色综合tv久久久久久| 夜精品无码a片一区二区蜜桃| 国产中年夫妇盗摄| 欧美性生交xxxxx久久久| 免费精品一区二区三区第35| 亚洲精品无码一区二区三区网雨| 少妇人妻偷人精品一区二区| 久久久久久精品无码人妻| 久久综合伊人77777麻豆| 色婷婷久久久swag精品| 精品国产一区二区三区AV性色| 亚洲精品无码久久久久秋霞| 性一交—乱一性一A片在线播放| 国产精品免费看久久久无码 | 国产97在线 | 中文| 精品国产一区二区三区四区vr| 久久久久免费看成人影片| 中文字幕AV无码免费一区| 人妻av中文系列| 国产初高中精品无码专区| 少妇性按摩无码中文a片| 人妻夜夜添夜夜无码av| 特级做a爰片毛片免费看| 国产裸模视频免费区无码| 97久久精品午夜一区二区| 黑巨人与欧美精品一区| 在线播放免费人成毛片乱码| 人妻丰满熟妇AV无码片|