亚洲爆乳无码一区二区三区,国产AV在线一区二区三区,强开小婷嫩苞又嫩又紧视频,97精品人人A片免费看

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(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,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:2024-11-13

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

毛片免费视频在线观看| 伴郎粗大的内捧猛烈进出| 粗大老头让我欲仙欲死| 久久午夜无码鲁丝片秋霞| 久久精品国产99国产精品| 麻花传媒剧在线mv免费观看| 色噜噜狠狠色综合日日| 国产精品丝袜黑色高跟鞋| 丰满乳乱亲伦小说| JAPANESE丰满少妇最高潮| 动漫人物桶动漫人物免费观看网站| 一本一道av无码中文字幕| 久久亚洲精品中文字幕无男同| 丰满多毛的大隂户视频中国| 色欲ΑV一区二区三区天美传媒| 亚洲AV色欲色欲WWW| 精品人体无码一区二区三区| 欧美大尺寸suv| 美女18禁一区二区三区视频| 国产偷窥熟妇高潮呻吟| 亚洲精品成人网久久久久久| 蜜臀AV在线播放一区二区三区| 永久在线观看免费视频| 无遮挡啪啪摇乳动态图gif| 少妇aaa级久久久无码精品片| 精品国产乱码久久久久久蜜桃 | 久久天天躁狠狠躁夜夜AV麻豆| 宝贝帮我拉开拉链它想你了| 国产日韩欧美在线视频一本到 | 综合色就爱涩涩涩综合婷婷 | 少妇的诱惑| 免费精品无码AV片在线观看 | 正面偷拍女厕36个美女嘘嘘| 富婆被大肉楱征服小说| 情欲情欲欲超市全文无删减| 人妻无码视频一区二区三区| 天天做天天摸天天爽天天爱| 被男朋友摸下面流了很多血| 国产成人精品a视频一区| 我的奶头被客人吸的又肿又红| 护士的色诱2在线观看免费|