丰满岳乱妇在线观看中字无码,漂亮的保姆5在线观看中文,把我绑在床头上夹奶头视频,免费人做人爱完整版视频

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:2025-01-16

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

精品久久久久久久免费人妻| 老年人做爰片免费观看| 高清a片在线观看| 国产精品亚洲av无人区一区| 把腿扒开做爽爽视频| 啦啦啦WWW日本高清免费观看| aa片在线观看视频在线播放| 日韩蜜桃一区二区三区| 亚洲一区 日韩精品 中文字幕| 欧美亚洲日韩国产区一| 熟妇女人妻丰满少妇中文字幕| 少妇特黄a一区二区三区| 欧美av无码久久寂寞少妇| 国产精品h片在线播放| 日韩99在线 | 中文| 青草久久欧美又黑又粗又大| 亚洲av永久无码精品网站| 无码人妻一区二区三区在线| 无码国产成人AV在线播放| 97人妻一区二区精品免费| 日韩欧美卡一卡二卡新区| 久久精品国产亚洲AV麻豆长发| 久久精品国产亚洲AV影片| 国产八十老太另类| 色综合久久久无码中文字幕| 粉嫩AV久久一区二区三区| 久久久久亚洲AV成人网人人 | 亚洲精品欧美综合二区 | 免费观看18禁无遮挡真人网站 | 久久久久免费看成人影片| 久久久久精品国产亚洲av无码| 丰满少妇人妻久久久久久| 人妻少妇看a偷人无码精品| 久久婷婷成人综合色| 久久久久久亚洲精品不卡 | 精品日本一区二区三区在线观看| 茄子视频app色版 永久免费| 以吾之名在线观看| 无码精品人妻一区二区三区APP| 久久丁香五月天综合网| 亚洲av无码一区二区三区网址|