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

欧洲变态另类zozo| 国产网友精品自拍视频| 久久精品国产网红主播| 伊人情人色综合网站| 国产特级毛片aaaaaa高清| 好满射太多了装不下了真人| 久久丫精品国产亚洲av不卡| 欧美颜射内射中出口爆在线| 免费观看美女裸体网站| 中文字幕精品久久久乱码乱码 | 亚洲日韩一区二区| 欧美不卡一卡二卡三卡| 俄罗斯少妇性xxxx另类| 狠狠综合av一区二区| 国产v亚洲v天堂a无码99| 国产网红主播精品一区| 久久综合国产色美利坚| 日韩内射美女人妻一区二区三区 | 韩日午夜在线资源一区二区| 国产亚洲精品久久久久婷婷瑜伽 | av无码久久久久久不卡网站| 国产精品点击进入在线影院高清| 国精品无码一区二区三区左线| h番动漫福利在线观看| 欧美最猛黑人xxxx黑人猛交| 免费播放在线观看av| 欧美丰满老妇性猛交| 人妻体体内射精一区二区| 少妇下面好爽一区二区三区网站| 日日摸夜夜摸狠狠摸婷婷| 天天爽夜夜爱| 亚洲欧美乱日韩乱国产| 中文字幕精品久久久久人妻红杏ⅰ| 四虎影视一区二区精品| 巨大黑人极品videos精品| 狠狠色噜噜狠狠狠狠97俺也去| 亚洲av无码一区二区三区在线 | 一本大道无码人妻精品专区| 亚洲精品无码成人av电影网| av天堂午夜精品一区| 污污又黄又爽免费的网站|