丰满岳乱妇在线观看中字无码,漂亮的保姆5在线观看中文,把我绑在床头上夹奶头视频,免费人做人爱完整版视频

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

国产一区日韩二区欧美三区| 亚洲精品乱码久久久久久按摩| 中文乱幕日产无线码| 国产SUV精二区九色| 国产线路3国产线路2| 风韵诱人的岳欲仙欲死在线观看 | 无码人妻精品一区二区三区东京热| 日本爆乳无码一区二区漫画| 亚洲av无码一区二区乱子伦| 亚洲欧美一区二区三区在线| 92国产精品午夜福利| 又摸又揉又黄又爽的视频| 99国产精品久久久久久久成人| 无码熟妇人妻AV在线影片最多| 中文字幕精品无码亚洲字| 四虎国产成人永久精品免费| 亚洲中文字幕无码AV| 欧美激情一区二区三区| 国产精品偷窥熟女精品视频| 一本色道久久综合狠狠躁篇| 久久精品国产色蜜蜜麻豆| 一本大道伊人av久久综合| 无码熟妇人妻AV在线影片免费| 欧美成人精品视频在线观看| 国产精品免费无遮挡无码永久视频| 亚洲综合色自拍一区| 伊人久久香线蕉综合色啪| 欧美精品久久久久a片色戒| 亚洲日韩乱码中文无码蜜桃臀| 每日更新在线观看av_手机| 蜜臀av色欲a片无码精品一区| 国产三级视频在线观看| 精品一区二区三区免费视频| 搡老熟女国产| 大战丰满人妻50p| 成年午夜福利片在线观看| 久久婷婷五月综合国产| 欧美成人无码大尺度电影苦月亮 | 国产精品久久久久久麻豆一区| 国产av一区二区三区传媒| 亚洲熟女乱色综合亚洲图片|