韩漫画免费在线观看入口,国产精品欧美久久久久久久,99欧美精品一区二区三区,日韩欧激情一区二区三区

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(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。可有肝損害。皮膚反復(fù)接觸,可致皮炎和濕疹。

更新時(shí)間:2025-07-03

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

九九九热免费看国内精品| 欧美日本国产一区二区三区| 亚洲欧美日韩不卡一区二区| 色综合视频在线| 国产精品大片免费在线观看| 久久高跟鞋夫妻俩骚网站| 蜜臀久久久精品人妻久久| 久久久久久久久久免观看| 男生把女生插流水的视频| 少妇毛又多又黑一区二区| 久久久久久久久久人妻精品| 性色av久久av达盖尔| 久久一级黄色大片免费下| 无码国产69精品久久久久APP| 偷自拍亚洲欧美一区二页| 国产精品无码久久久久不卡 | 金梅瓶在线观看| 丁香婷婷综合久久来来去| 国产精品麻豆a啊在线播放| 日本久久久久久久久久婷| 欧美色综合高清视频在线| 老司机一区二区免费视频| 国产亚洲精品90在线视频| 一级二级三级国产小黄片| 精品女厕偷拍1000部| 欧美日韩在线亚洲二区综二| 黑森林尤物精品∧v导航| 国产羞羞视频一区免费看| 日韩午夜理论av在线观看| 久久免费视频8| 日本 欧美 一区二区三区| 国产成人精品自在线观看| 无码人妻精品一区二区三区蜜桃| 三级无码在线看| 亚洲精品42页| 88av在线观看黄色片| 妓女网性欲大鸡巴叉BB| 欧美与日本熟女激情视频| 国产成人污污网在线观看| 大香煮五月天一区二区在线| 天堂草原影院电视剧在线|