久久久久久精品成人免费图片,(原创)露脸自拍[62p],免费60分钟床,国内最真实的xxxx人伦

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

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

欧美激情一区二区三区| 亚洲精品久久久口爆吞精| 欧美精品中文字幕亚洲专区| a片在线观看免费| 国产嫖妓一区二区三区无码| 日本a级作爱片金瓶双艳| 国产在线拍揄自揄拍无码视频| 丰满岳乱妇在线观看中字无码| chinese少妇偷sex国语| 玉米地被老头添的好爽| 久久久久久久亚洲av无码| 吊起调教各种工具高潮失禁h| 被拉到野外强要好爽| nba直播在线观看免费| 99精产国品一二三产区区别电影| 久久精品国产亚洲av无码偷窥| 国产手机精品一区| 88国产精品视频一区二区三区| 亚洲中文字幕无码久久2021 | 久久亚洲av成人无码国产| 在线观看伦理片| 扒开双腿猛进入jk校花免费网站| japan白嫩丰满人妻videoshd| 成人性生交大片免费看京东小视频| 亚洲日韩乱码一区二区三区四区| 免费看大片视频| 亚洲av天堂综合网久久| 久久变态刺激另类SM孕妇| 与亲生子伦中文字幕| 5566视频一区二区三区| 发电俏娇娃在线观看| 我身上两个奶被男人揉搓| 亚洲欧美精品午睡沙发| 再深点灬舒服灬太大了| chinese熟女老女人hd| 将军猛烈顶弄h太子| 亚洲一区爱区精品无码| 欧美国产在线播放欧美产品| 成熟丰满熟妇av无码区| 校草喝下春药被男生玩弄| 偷偷鲁2020精品偷拍视频|