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

国产在线 | 日韩| 久久97精品久久久久久久不卡| 国产亚洲精品久久久久| 亚洲国产AV无码一区二区三区| 成人69激情视频在线观看 | 国产影片中文字幕| 欧美成人精品a片免费一区99| 国产精品主播一区二区三区| 国产乱子伦在线观看| (无码视频)在线观看| 欧美乱大交xxxxx疯狂俱乐部| 亚洲av成人片色在线观看高潮| 国产精品黄在线观看免费软件 | 欧美乱妇无码毛片斯巴达三百勇士| 级毛片内射视频| 亚洲乱妇亚洲乱妇xinglu| 久久天天躁狠狠躁夜夜躁2o2o| 亚洲精品无码乱码成人| 看av免费毛片手机播放| 国产成人A∨激情视频厨房| 内射人妻无码色ab麻豆| 日韩一区二区三区高清电影| 国产精华2020| 国产婷婷一区二区三区| 亚洲性猛交xxxx| 丰满人妻被中出中文字幕| 精品久久久无码21P发布| 强开小婷嫩苞又嫩又紧视频| 久久亚洲色WWW成人欧美| 亚洲AV日韩AV无码污污网站| 亚洲国产成人一区二区精品区| 激情综合色综合久久综合| 亚洲一线产区和二线产区区别 | 国产精品国产三级国产a| 成人性生交大片免费看中文| 国产av无码专区亚洲精品| 狠狠躁夜夜躁无码中文字幕| 香蕉久久一区二区不卡无毒影院 | 国产又爽又粗又猛的视频| 大侦探第八季免费观看完整版高清| 视频播放器大全高清视频|