亚洲中文字幕啪啪一区二区,看亚洲欧洲在线视频,国产福利不卡在线视频,欧美日韩一区二区人妻

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:2025-01-08

發(fā)郵件給我們:554328895@qq.com

分享到: 1
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

欧美大片免费看片入口| 国偷自产av一区二区三区| 日韩精品一区二区三区高清免费| 精品久久久久精品三级18| 久久久久国产精品熟女影院| 麻豆理论片在线观看| 三点水一个色是什么字| 五月天丁香花婷婷色| 欧美乱码精品一区二区三区卡| 草草影院在线免费观看| 国产精品国产三级在线| 亚洲一区二区三区中文字幕一本| 九色精品国产亚洲av麻豆一| 亚洲人妻最新中文AV| 97精品国产自产在线观看| 久久精品亚洲成在人线av| 欧美一区二区三区啪啪| 波多野结衣av一区二区| 日本一区二区三区中文字幕八戒视频| 日韩国产av一区二区| 国产麻豆精品福利在线观看| 欧美激情国产精品视频| 欧美一区二区三区成| 亚洲国产精品尤物yw在线| 91久久久精品人妻| 日韩精品一区二区三区高清免费| 国产精品日韩在线亚洲一区| 人妻少妇精品无码专区漫画| 婷婷激情亚洲综合综合久久| 国产精品人成在线观看不卡| 人妻精品久久一区二区| 2021久久国自产拍精品| 99国产精品视频在线| 欧美午夜激情久久久久| 亚洲一区二区三区中文字幕手机在线| 婷婷激情亚洲综合综合久久| 国语自产拍无码精品视频在线| 成人亚洲视频在线观看| 精品久久久久久久久久中文幕| 久久中文字幕一区不卡| 激情综合婷婷丁香五月俺来也|