精品国产天线2019,色综合久久无码五十路人妻,亚洲熟悉妇女XXX妇女AV,亚洲H在线播放在线观看H

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:2025-03-11

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.

无码AⅤ免费中文字幕久久| 亚洲美女高潮久久久久| 成年奭片免费观看午夜网站| 人妻少妇乱子伦精品无码专区| 亚洲欧美一区二区三区在线| 免费看大片的app| 色婷婷亚洲精品天天综合影院| 亚洲另类欧美综合久久图片区| 国产午夜福利片| 久久综合久久鬼色| 日韩人妻无码精品一区二区三区| 日韩a人毛片精品无人区乱码| 性XXXX入欧美| 午夜精品乱人伦小说区| 免费无码午夜福利片69| 欧美a一片xxxx片与善交| 国产人妻精品无码AV在线五十路| 人妻被按摩到潮喷中文字幕| 国产成人久久AV免费高清| 久久久久久亚洲AV无码专区| 又爽又色禁片1000视频免费看 | 亚洲区色情区激情区小说| 欧美折磨另类系列sm| 五月丁香欧美综合亚洲av| 乱码国产丰满人妻WWW| 免费观看黄网站| 国产精品久久久久久婷婷| 丰满人妻熟妇乱又伦精品软件| 国产--精品一区二区三区| 久久国产免费观看精品3| 国产精品免费一区二区三区视频| 亚洲精品午夜国产va久久成人| 中文字幕乱码一区二区欧美| 亚洲一区二区三区在线观看网站| 男女无遮挡猛进猛出免费视频| 精品国产综合区久久久久久| 亚洲国产成人久久精品| 国产亚洲精品久久久闺蜜| 少妇无码吹潮久久精品AV| 无码视频一区二区三区在线观看| 久久夜色精品国产噜噜av|