性生交大片免费看淑女出招,日韩精品一区二区亚洲AV,娇喘抽搐高潮喷水A片免费观看,亚洲AV永久无码精品三区在线

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:2024-10-23

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

无码国产精品一区二区免费模式| 放荡娇妻张开腿任人玩H| 国产欧美VA欧美VA香蕉在| 国产自产V一区二区三区C| 少妇白浆高潮无码免费区| 国产一区二区三区不卡AV| 人妻少妇看A偷人无码精品视频| 娇妻被交换粗又大又硬无| 免费日韩无人区码卡二卡3卡| 国产亚洲AV无码AV男人的天堂| 挺进老妇的肉泬| 大战两个风韵犹存的熟妇| 国产精品无码无卡无需播放器| 99精品欧美一区二区三区| 俄罗斯少妇性做爰片| 无码AV免费一区二区三区| 亚洲精品国产熟女久久久| 高H喷水荡肉爽文NP肉色学校| 中文日产乱幕九区无线码| 欧美在线香蕉在线视频| 黄到下面流水的爽文很污的情话| gogo亚洲肉体艺术欣赏图片| 日韩人妻无码精品无码中文字幕| 国产性色AV一区二区三区| 人妻丰满熟妇AV无码区HD| 免费看大片软件| 国产亚洲精品久久久久久国模美| 巨大黑人极品VIDEOS精品| 国产成人精品免高潮在线观看| 亚洲AV成人精品一区二区三区| 强壮公弄得我次次高潮小说| 成免费CRM在线看系统| 精品国产一区二区三区无码| 人妻熟妇乱又伦精品视频APP| 星空影院在线观看完整版免费高清| 国产成人精品无码一区二区| 超H公用妓女精便器系列小说| 久久精品免费一区二区喷潮| 真实刺激交换娇妻13篇| 久久婷婷五月综合色国产香蕉| 日本丰满熟妇BBXBBXHD|