成人毛片无码一区二区三区,亚洲精品成人无码中文毛片,亚洲国产精品尤物yw在线观看,人妻互换精品一区二区

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

国产人妻精品无码av在线| 欧洲美妇乱人伦视频网站| 性欧美大战久久久久久久| 欧美XXXX性BBBBB喷水| 最新亚洲人成网站在线观看| 麻豆av福利av久久av| 性做久久久久久久久不卡| 一本大道伊人av久久综合| 国产做a爰片毛片a片美国| 精品久久久噜噜噜久久久| 色偷偷噜噜噜亚洲男人| 国产成人精品久久| 最近中文字幕完整视频高清1| 免费a级毛片在线播放| √天堂中文WWW官网在线| 日本做受高潮好舒服视频| 成人区人妻精品一区二区不卡视频| 丰满少妇呻吟高潮经历| 亚洲人成电影网站免av费| 精品av无码国产一区二区| 性久久久久久| 999久久久免费精品国产| 美女18禁一区二区三区视频| 精品无人妻一区二区三区| 国产精品国产免费无码专区蜜桃| 日本少妇又色又爽又高潮| 亚洲狠狠婷婷综合久久久久图片| 欧美裸体xxxx极品少妇| 69SEX久久精品国产麻豆| 日本一区二区三区视频| 国产精品美脚玉足脚交欧美| 久久精品国产精品亚洲色婷婷 | 年轻的女士2在线观看| 国产精品人妻久久久久| 黑人巨大两根一起挤进的视频 | 国产人妖XXXX做受视频| 八戒八戒神马在线电影免费| 亚洲AV麻豆AⅤ无码电影| 强奷人妻日本中文字幕| 两个人做人爱视频免费| 又大又黄又粗又爽的免费视频|