国产精品高潮视亚洲乱码,俺去俺来也在线www色官网,男男肠道灌水失禁play,亚洲自拍第一页另类视频

產(chǎn)品列表PRODUCTS LIST

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

四氯乙烯Cl2C=CCl2氣體檢測(cè)管135SA TETRACHLOROETHYLENE 5-300p

簡(jiǎn)要描述:

四氯乙烯Cl2C=CCl2氣體檢測(cè)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(yùn)動(dòng)失調(diào)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(fù)接觸,可致皮炎和濕疹。

更新時(shí)間:2025-08-28

在線留言
四氯乙烯Cl2C=CCl2氣體檢測(cè)管135SA TETRACHLOROETHYLENE 5-300p

四氯乙烯Cl2C=CCl2氣體檢測(cè)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

亚洲中文字幕www网站| 高潮喷尿在线观看18岁| 在线a人片免费观看不卡| 亚洲免费一级黄片911| 青青草国产青春综合久久| 亚洲最大的se 情网站| 国产精品欧美精品情av| 久久不见久久见免费视频6| 两个黑人大战嫩白金发美女| 国产一级做a爱片久久片| 欧美成人免费网站一区二区| 国产精品成人在线免费看| 精品国产v码大片在线观看| 亚洲男人A在天堂线一区| 中文字幕亚洲一区二区三区| 欧美一区二区三区激情爽| 国产无遮挡在线免费观看| 亚洲国产日韩无在线播放| 粉嫩av一区二区三区在线| 国产精品一区二区三区成人| 亚洲黄色资源网在线观看| 午夜免费无码福利视频| 久久久中文字幕日本无吗| 久中文字幕亚洲精品最新| 海角国产乱辈乱精品视频| 日韩av免费高清在线观看| 一区二区三区无码免费看| 亚洲AV无码午夜嘿嘿嘿| 手机在线播放网址你懂的| 欧美日韩一级片在线播放| 日本丰满熟妇无码亚洲影视下载| 偷自拍亚洲欧美一区二页| 亚洲精品美女久久久久高潮| 熟妇内谢69xxxxxa片| 男男乱J伦高HH黄暴双性| 亚洲男生和女生操逼网站| 天天操鸡巴视频| 美女啪啪啪一区二区三区| 波多野结av衣东京热无码专区| 亚洲欧美一区二区三四区| 久久久国产精品ⅴa麻豆|