成人毛片无码一区二区三区,亚洲精品成人无码中文毛片,亚洲国产精品尤物yw在线观看,人妻互换精品一区二区

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>102SA丙酮?dú)怏w檢測管102SA ACETONE CH3COCH3 0.1-5.0%

丙酮?dú)怏w檢測管102SA ACETONE CH3COCH3 0.1-5.0%

簡要描述:

丙酮?dú)怏w檢測管102SA ACETONE CH3COCH3 0.1-5.0%,不用電源,熱源,即使有易燃易爆的氣體存在,也可以確保操作安全,測定的結(jié)果幾分鐘就可得到。作業(yè)環(huán)境氣體濃度及泄漏測定: 防火、防爆,可以在現(xiàn)場快速的測定氣體的濃度,廣泛用于檢測易燃易爆氣體的泄漏、有毒氣體,以防止火災(zāi)、爆炸和中毒事故的發(fā)生。工程管理:在各種工業(yè)生產(chǎn)中, 將氣體作為工業(yè)原料或中間產(chǎn)品使用時(shí), 用于測定氣體的不純物, 以提高產(chǎn)品質(zhì)量, 防止催化劑的污染。提高生產(chǎn)效率。污染源的檢測

更新時(shí)間:2025-01-15

在線留言
丙酮?dú)怏w檢測管102SA ACETONE CH3COCH3 0.1-5.0%

丙酮?dú)怏w檢測管102SA ACETONE CH3COCH3 0.1-5.0%

Tube 02SA
1. PERFORMANCE
1) Measuring range :1.0-5.0% 0.1-2.0%
Number of pump strokes 1/2(50mr) 1(100mr)
2) Sampling time :1.5 minute/1 pump stroke
3) Detectable limit :200 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Orange→brown
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3COCH3+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
0.1
0.2
0.5
1.0
1.5
2.0
%
GAS To pump
ACETONE
*Methanol is indicated with half the sensitivity and Ethyl acetate has the same sensitivity with Acetone.
(NOTE)
1) If the discolouration is over the scale, replace the tube with new one and pull the handle at half stroke(to 50mr
line). And read a figure from the scale on the tube.
2) Correct the reading value with theTEMPERATURE CORRECTION TABLE first . and convert the value into an
actual concentration by uing the conversion scale shown in the instruction sheet.
Substance Interference Coexistence
Alcohols FIG.1 Similar stain is produced. Higher readings are given.
Other ketones 〃〃
Aromatic hydrocarbons 〃〃
Esters FIG.2 〃〃
Halogenated hydrocarbons Wdishcoolelo rueraegde. nt is slightly 0.5% 〃
0
0.5
1.0
1.5
Methanol〔%〕?
FIG.1 Influence of Methanol
Acetone indicating value 〔%〕
0.5 1.0 0
0.5
1.0
1.5
Ethyl acetate〔%〕?
FIG.2 Influence of Ethyl acetate
Acetone indicating value 〔%〕
0.5 1.0
TEMPERATURE CORRECTION TABLE
Scale True Concentration (%)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
2.0 - 2.38 2.00 1.78 1.60
1.5 2.20 1.76 1.50 1.30 1.16
1.0 1.44 1.18 1.00 0.86 0.76
0.5 0.72 0.60 0.50 0.42 0.36
0.1 0.16 0.12 0.10 0.08 0.08
0.1
0.2
0.5
1.0
1.5
2.0 5.0
4.0
3.0
2.0
1.0
Conversion
scale (I)
(50mR actual value)?
(100mR concentration scale)?
(%)?
102SA www.r-biopharm.com.cn

欧美做受又硬又粗又大视频| 中文字幕乱码中文| 欧美性性性性性色大片免费的| 欧美VIVO2018| 国产精品美女一区二区三区 | 色情无码www视频无码区小黄鸭| 欧美xxxx黑人又粗又长精品| 美国专线欧洲专线日本专线| 永久免费观看国产裸体美女| 欧产日产国产精品精品| 日产精品二线三线区| 国产精品va在线观看无码| 人人妻人人澡人人爽欧美一区双| 国产98在线 | 欧美| 成人午夜精品无码区| 特级aaaaaaaaa毛片免费视频| 成人在无码av在线观看一| 欧美午夜精品久久久久久浪潮| 成年美女黄网站色大片免费看| 精品一区二区三区在线视频| 日韩性做爰免费a片aa片| 99久9在线 | 免费| 女厕精品合集ktv偷窥| 久久久久久a亚洲欧洲av冫| 亚洲女人被黑人巨大进入| 欧美人与禽Z0ZO牲伦交| 嗯灬啊灬把腿张开灬a片视频| 中文字幕乱偷无码av先锋| 老师课后辅导乳揉搓h在线观看| 人妻人人做人做人人爱| 久久精品国产香蕉亚洲av| 男人多人做人爱的视频| 久久人妻熟女中文字幕av蜜芽| 男受被做哭激烈娇喘gv视频| juliaann无码丰满熟妇| 国产真人无码作爱免费视频APP | 欧美性受xxxx| 亚洲精品熟女国产| 精品国产污污免费网站AⅤ| 欧美亚洲国产精品久久高清| 亚洲精华国产精华精华液网站|