精品国产天线2019,色综合久久无码五十路人妻,亚洲熟悉妇女XXX妇女AV,亚洲H在线播放在线观看H

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>132SC三氯甲苯C6H5CCl3氣體檢測管132SC Trichlorotoluene 0.2-4ppm

三氯甲苯C6H5CCl3氣體檢測管132SC Trichlorotoluene 0.2-4ppm

簡要描述:

三氯甲苯C6H5CCl3氣體檢測管132SC Trichlorotoluene 0.2-4ppm,三氯甲苯又稱芐川三氯(toluenetrichloride)。結(jié)構(gòu)簡式C6H5CCl3。無色有強(qiáng)烈氣味的液體。不溶于水,可溶于乙醚、乙醇和苯。用于化學(xué)工業(yè)、塑料、染料的生產(chǎn)、香料工業(yè)等。大鼠吸入4h的Z小致死濃度為125ppm,經(jīng)口致死量為6g/kg(體重)。主要經(jīng)呼吸道進(jìn)入體內(nèi),對粘膜(特別是眼結(jié)膜)有刺激作用。高濃度吸入可致化學(xué)性肺炎和肺水腫。皮膚接觸可引起紅斑、大皰和濕疹。根據(jù)報(bào)道可致小鼠癌

更新時(shí)間:2025-03-11

在線留言
三氯甲苯C6H5CCl3氣體檢測管132SC Trichlorotoluene 0.2-4ppm

三氯甲苯C6H5CCl3氣體檢測管132SC Trichlorotoluene 0.2-4ppm

Tube 32SC
1. PERFORMANCE
1) Measuring range :0.4-12.0 ppm 0.2-6.0 ppm 0.1-3.0 ppm
Number of pump strokes 1(100ml) 2(200ml) 4(400ml)
2) Sampling time :3 minutes/2 pump strokes
3) Detectable limit :0.05 ppm(400ml)
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(0~15℃)(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 2 pump strokes
8) Colour change :Greenish yellow→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By decomposing with an Oxidizer, Hydrogen chlorine is produced and PH indicator is discoloured.
CH2=CHCI+CrO3+H2SO4→HCI
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
PRETEAT TUBE DETECTOR TUBE
6.0
5.0
4.0
3.0
2.0
1.0
(White)
ppm
200ml
132SC VINYL CHLORIDE
Substance Interference ppm Coexistence
Acetylene 1% Lower readings are given.
Ethylene FIG.1 300 〃
Hydrogen chloride 200 Higher readings are given.
Chlorine Similar stain is produced. ch1lo0r×ideV cinoynlc. 〃
(NOTE)
In case of 1 or 4 pump strokes, following formula is available for the actual concentration.
Actual concentration=Temperature corrected value×2/Number of strokes
0
4.0
3.0
1.0
2.0
Ethylene〔ppm〕?
FIG.1 Influence of Ethylene Vinyl chloride indicating value 〔
ppm〕
100 200 300 400 500 600 700
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 5℃ 10℃ 15-40℃
(ppm) (32°F) (41°F) (50°F) (59°F)(104°F)
6.0 10.0 8.2 7.0 6.0
5.0 8.2 6.8 5.7 5.0
4.0 6.7 5.5 4.7 4.0
3.0 4.9 4.1 3.5 3.0
2.0 3.3 2.7 2.3 2.0
1.0 1.6 1.3 1.2 1.0

精品综合久久久久久888蜜芽| 永久免费观看国产裸体美女| 国产免费一区二区在线a片视频 | 国产综合一区二区三区| 精品国产乱码久久久久久口爆| 草莓视频免费观看| 亚洲va韩国va欧美va| 精品亚洲一区二区三区四区五区| 玉女阁第一精品导航| 精品无人区一线二线三线区别| 久久久久99精品AV免费观看| 欧美精品久久96人妻无码| 久久久国产精品无码一区二区三区| 一区二区三区国产好的精华液| 日本三级在线观看免费| FREEPEOPLE性欧美| 久久久www成人免费毛片| 久久亚洲精品中文字幕| 亚洲精品无码专区久久久| 欧美日韩国产成人高清视频| 国产精品污WWW一区二区三区| 人妻斩り56歳无码| 亚洲av无码成人精品区| 狂猛欧美激情性xxxx大豆行情| 久久久久久久精品成人热小说| 国产玩弄人妻出轨系列| 久久久精品妓女影院妓女网 | 成年女人午夜毛片免费视频| 国产在线观看| 欧洲精品99毛片免费高清观看| 欲求不満な人妻は毎晩隣人に| 99re热这里只有精品视频| 亚洲 日本 欧美 中文幕| 亚洲AV无码乱码国产精品FC2 | 国产成人一区二区三区| 人妻互换hd无码中文在线| 色偷偷偷久久伊人大杳蕉 | 人妻激情偷乱一区二区三区| 国产CHINESE男男GAY| 99热久久精里都是精品6| 无码人妻品一区二区三区精99|