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>211U醋酸異丁酯/丙烯酸異丁酯氣體檢測管211U ISOBUTYL ACETATE 5-60ppm

醋酸異丁酯/丙烯酸異丁酯氣體檢測管211U ISOBUTYL ACETATE 5-60ppm

簡要描述:

醋酸異丁酯/丙烯酸異丁酯氣體檢測管211U ISOBUTYL ACETATE CH2=CHCO2CH2CH(CH3)2,5-60ppm,醋酸異丁酯/丙烯酸異丁酯氣體檢測管211U ISOBUTYL ACETATE 5-60ppm,,,醋酸異丁酯/丙烯酸異丁酯氣體檢測管211U ISOBUTYL ACETATE

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
醋酸異丁酯/丙烯酸異丁酯氣體檢測管211U ISOBUTYL ACETATE 5-60ppm

醋酸異丁酯/丙烯酸異丁酯氣體檢測管211U ISOBUTYL ACETATE 5-60ppm

PERFORMANCE
1) Measuring range :5-60 ppm
Number of pump strokes 2(200ml)
2) Sampling time :3 minutes/2 pump strokes
3) Detectable limit :0.5 ppm
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 2 pump strokes
8) Colour change :Yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH2=CHCO2(CH2)3CH3+Cr6+H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
ppm
5
10
20
40
60
GAS To pump
DEHUMIDIFIER
(White)
Tube No.
211U BUTYL ACRYLATE
Substance Interference Coexistence
Alcohols Similar stain is produced. Higher readings are given.
Paraffin (moref inth haynd Cro3)carbons FIG.2 DWahrok lber roewang.ent is changed to 〃
Halogenated hydrocarbons 〃〃
Esters 〃〃
Aromatic hydrocarbons FIG.1 〃〃
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
60 105 80 60 45 32
40 68 54 40 30 22
20 32 26 20 15 11
10 15 13 10 8 5
5 8 7 5 4 3
0
20
30
10
50
60
40
80
100
90
70
Toluene〔ppm〕?
FIG.1 Influence of Toluene
Butyl acrylate
indicating value 〔ppm〕
10 20 30 40 50 0
20
30
10
50
60
40
80
100
90
70
Hexane〔ppm〕?
FIG.2 Influence of Hexane

(NOTE)
Butyl acrylate have the same sensitivity at 20℃ to Methyl acrylate.

亚洲精品国产成人99久久6| 欧美日韩成人精品大片| 精品国产片亚洲一区| 接下来开始上伦理课免费观看| 狠狠色噜噜狠狠亚洲AV| 国产A级三级三级三级视频| 亚洲欧美成人久久一区二区三区| 日本电影三级一区二区三区| 日韩精品一区二区亚洲v欧美v日韩| 97久久人人超碰国产精品| 国产精品热门在线播放| 色狠狠av一区二区三区香蕉| 国产精品偷窥熟女精品视频| 久久99精品免费免费| 国产高新无码在线观看| 国产久久久久久久久一区二区| 中国女人free性hd国语| 久久久久久99国产精品免费| 丰满的大乳老师三级在线观看| 亚洲精品一区二区三区中文字幕| 亚洲中文无无码第21页| 久久久久无码精品国产app| 国产盗摄精品一区二区视频| 婷婷色婷婷开心五月四房播播| 日韩在线观看一卡二卡| 亚洲精品在线观看日本国产| 日本大香焦免费视频| 国产精品女同久久久久久| 日本阿v不卡在线观看视频| 精品视频亚洲一区二区三区| 亚洲国产精品午夜福利久久| 午夜精品久久久久久久久久久| 日韩欧美一区中文字幕在线| 国产国语对白在线观看| 欧美色欧美亚洲另类在线视频| 日韩一区二区三区在线观看视频| 免费看亚洲精品大片| 日韩推理片电影在线播放| 日本午夜福利在线视频| 国产AV无码亚洲一区二区| 东北乱国产对白刺激视频|