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(cè)管>氣體快速檢測(cè)管>132SC間氯甲苯C6H4Cl(CH3)氣體檢測(cè)管132SC VINYL CHLORIDE 0.5-10ppm

間氯甲苯C6H4Cl(CH3)氣體檢測(cè)管132SC VINYL CHLORIDE 0.5-10ppm

簡(jiǎn)要描述:

對(duì)氯甲苯,間氯甲苯C6H4Cl(CH3) 氣體檢測(cè)管132SC VINYL CHLORIDE (-) 0.5-10ppm,其毒性還和接觸時(shí)間有關(guān),例如長(zhǎng)期接觸 1.748×10 -7mol/L(4ppm) 以下的臭氧會(huì)引起*性心臟障礙,但接觸 20ppm 以下的臭氧不超過 2h,對(duì)人體無*性危害。 VINYL CHLORIDE (-) 氯乙烯檢測(cè)管,C6H4Cl(CH3) m-Chlorotoluene

更新時(shí)間:2025-01-15

在線留言
間氯甲苯C6H4Cl(CH3)氣體檢測(cè)管132SC VINYL CHLORIDE 0.5-10ppm

氯乙烯檢測(cè)管,間氯甲苯C6H4Cl(CH3)氣體檢測(cè)管132SC VINYL CHLORIDE 0.5-10ppm

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

国产亚洲精品拍拍拍拍拍| 夜夜躁狠狠躁日日躁视频| 色欲老女人人妻综合网| 精品丝袜人妻久久久久久| 香港特级三a毛片免费观看| 高潮vpswindows国产乱| 免费又黄又爽又猛的毛片| 亚洲av无码日韩av无码导航| 国产VA免费精品高清在线观看 | 99久久久国产精品免费蜜臀 | 黑人巨大两根一起挤进的视频| 精品久久人妻av中文字幕| av精品一区二区三区| 国产精品美脚玉足脚交欧美| 浪荡女天天不停挨CAO日常视频| 漂亮人妻被中出中文字幕久久 | 男攻男受过程无遮掩视频| 中国人体艺术视频| 极品尤物一区二区三区| 国产真实夫妇视频| 丰满少妇被猛男猛烈进入久久| 欧美videosdesexo| 少妇激情一区二区三区视频| 97人妻精品一区二区三区| 日韩中文字幕无码高清毛片| 国产av国片精品无套内谢无码| 国内大量揄拍少妇视频| 欧洲成人一区二区三区| 久久天天躁狠狠躁夜夜免费观看 | 日韩欧美一区二区三区免费观看| 熟女性饥渴一区二区三区| 中文字幕av一区二区三区| 国产精品美女一区二区三区| 欧美激情肉欲高潮视频| 欧美日韩国产精品自在自线| 中文字幕无码乱人伦| 大肉大捧一进一出视频| 少妇极品熟妇人妻| 99久久99这里只有免费费精品| 日本最大但人文艺术第一组 | 成人乱人乱一区二区三区 |