国产精品久久久久久久久久久免费看|国精产品一区二区三区四区糖心|国产成人色视频一区二区三区|国产成人精品无码一区二区老年人

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

国产精品美女久久久| 国产啪精品视频网站| 免费观看成人欧美www色| 含紧一点h边做边走动免费视频| 久久免费看黄a级毛片| 色爱区综合五月激情| 东方av四虎在线观看| 中文字幕日韩欧美一区二区三区 | 日韩黄色大片在线播放| 久久av无码专区亚洲av桃花岛| 国模少妇一区二区三区| √最新版天堂资源网在线| 婷婷五月深深久久精品| 群交射精白浆视频| 亚洲av无码专区在线电影| 曰本丰满熟妇xxxx性| 亚洲日韩国产av无码无码精品| 亚洲风情亚aⅴ在线发布| 宝宝好涨水快流出来免费视频| 97久久超碰国产精品2021| 国产午夜人做人免费视频| 992tv精品视频tv在线观看| 67194熟妇人妻欧美日韩| 久久高清内射无套| 色九月亚洲综合网| 日韩亚洲精品国产第二页| 少妇综合久久中文字幕| 亚洲精品无码久久| 免费无码午夜福利片69| 五十路亲子中出在线观看 | 欧美激情一区二区三区在线| 男人av无码天堂| 亚洲日韩成人无码| 国产精品一在线观看| 亚洲色成人www永久在线观看| 少妇太紧太爽在线中文字幕| 69久久夜色精品国产69| 最美女人体内射精一区二区| 伊人久久大香线蕉综合5g| 两女女百合互慰av赤裸无遮挡| 久久中文字幕AV一区二区不卡|