亚洲色大成网站www永久网站_亚洲一区二区三区影院_久久精品免费观看国产_亚洲精品无码久久久久_日韩中文字幕精品一区

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

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

簡要描述:

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

更新時間:2025-04-14

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

氯乙烯檢測管,間氯甲苯C6H4Cl(CH3)氣體檢測管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

久久精品国产蜜臀av| 加勒比精品视频在线观看| 米奇777四色精品人人爽| 区二区欧美性插b在线视频网站| 少妇愉情理伦片丰满丰满午夜| 一本一本久久a久久综合精品蜜桃| 美女极度色诱视频国产免费| 亚洲国产欧美在线人成大黄瓜| 久久精品网站免费观看| 亚洲色偷偷综合亚洲av| 天天干天天射天天操| 日本牲交大片免费观看| 亚洲av无码一区二区三区电影| 无套内射在线观看theporn | 免费不卡一区二区av| а√天堂www在线а√天堂视频| 国产猛男猛女超爽免费视频| 精品国产成人一区二区| a级国产乱理伦片在线观看| 国产无遮挡18禁无码网站免费| 日本熟妇色xxxxx日本免费看| 亚洲精品久久久久中文字幕二区| 亚洲国产成人精品无码区在线软件| 亚洲老熟女与小伙bbwtv| 美丽的熟妇中文字幕| 性人久久久久| 欧美交换配乱吟粗大25p| 日本亚洲中文字幕不卡| 无码人妻精品一二三区免费| 亚洲美女av一区二区| 国产精品人妻一码二码| 99国产精品久久久久久久久久久| 乱子真实露脸刺激对白| 欧洲美熟女乱又伦| 荡女精品导航| 国产午夜无码视频免费网站| 欧美性欧美巨大黑白大战| 久久精品国产一区二区三| 肥臀浪妇太爽了快点再快点| 94久久国产乱子伦精品免费| 久久偷看各类wc女厕嘘嘘|