国产办公室激情高潮在线,巨肉黄暴辣文高H文,娇妻与老头高潮在线观看,免费观看电视剧全集在线播放 ,亚洲精品乱码一区二区三区

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。無色有強烈氣味的液體。不溶于水,可溶于乙醚、乙醇和苯。用于化學工業(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)報道可致小鼠癌

更新時間:2025-07-30

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

一区二区三区熟妇人妻18| 欧美性猛交XXXX黑人| 国产精品色约约免费视频| 极品少妇被啪到呻吟喷水| 久久久久久久久久久久98| 亚洲无码一区| 精品无码成人久久久久久| h无码精品视频在线观看| 亚洲精品乱码久久久久久v| 插入小穴黄视频在线观看| 亚洲色偷偷偷综合网另类| 少妇撒尿W搡BBB搡WBBB搡| jiujiuse国产精品| 久久久大少妇免费高潮特黄| 在线观看欧美激情第一页| 久久久精品人妻久久影视| 中文字幕精品久久久人妻| 5510a欧美在线观看| 神马久久亚洲一区 二区| 成人乱人乱一区二区三区| 京香JULIA| 亚洲成人av在线一区二区| 亚洲色WWW永久网站| 欧美日韩亚洲国产无线码| 九色在线porny张津瑜| 差差漫画页面画在线阅读弹窗 | 国产成人91亚洲精品无| 中文亚洲av片在线观看| 在线观看永久免费av片| 99re热精品视频免费| 国产精品一级片| 国产精品高潮呻吟久久av无码| 天天躁夜夜躁狠狠添婷婷| 日本真人做爰免费视频120秒| 欧美成年人网站在线观看| 日韩欧美精品一区第二区| 成人无码小视频在线观看| 欧美牲交a欧美在线| 插入小穴黄视频在线观看| 西西人体做爰大胆视频韩国| 亚洲国产成人精品无码区在线观看|