欧美 国产 日本,嗯,嗯,嗯太舒服了视频,久久激情热播免费视频,午夜婷婷大香蕉

產品列表PRODUCTS LIST

首頁>產品中心>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)。結構簡式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、香料工業(yè)等。大鼠吸入4h的Z小致死濃度為125ppm,經口致死量為6g/kg(體重)。主要經呼吸道進入體內,對粘膜(特別是眼結膜)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:2025-06-04

發(fā)郵件給我們:554328895@qq.com

分享到: 1
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

偷炮少妇宾馆半推半就激情| 两个女人互添下身视频在线观看| av免费网址在线观看| 最近中文字幕在线mv视频7| 色婷婷亚洲六月婷婷中文字幕 | 亚洲欧美中文字幕在线一区| 亚洲AV无码之国产精品网址| 性高朝久久久久久久| 爆乳护士一区二区三区在线播放| 隔壁老王国产在线精品| 国产精品自在拍首页视频| 国产福利一区二区三区在线观看| 日韩一区二区三区北条麻妃| 奉新县| 荆州市| 中字幕一区二区三区乱码| 国产欧亚州美日韩综合区| free性丰满69性欧美| 给个网站2021年直接进入的| 久久亚洲综合| 少妇精品| 亚洲精品少妇| china人妻呻吟ⅴideos| 最新女人另类2oozo| 国产亚洲精品久久久ai换| 69久久久久精品9999不卡片| 漾濞| 国产精品国产三级国产剧情| 亚洲国产一区二区精品无码| 18禁无遮挡国产免费观看| 午夜18禁自慰JK爆乳网站| 国产伦精品一区二区三区视频| 成人国产精品一区二区网站公司| 久久国产精品偷| 亚洲SSS整片AV在线播放| 日本在线a一区视频| 无码熟妇人妻在线视频| 国产精品久久久久久久久免费| 无码国产精品一区二区免费式直播 | 99久在线国内在线播放免费观看| 中国老熟妇自拍hd发布|