无码欧美xxxxx在线观看裸,麻豆影视在线直播视频,久久夜色精品国产亚洲av动态图,色欲av午夜一区二区三区

產品列表PRODUCTS LIST

首頁>產品中心>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.

国产精品无码v在线观看| 潮喷大喷水系列无码久久精品| www亚洲精品少妇裸乳一区二区| 老司机精品视频| 在线无码VA中文字幕无码| 99久久国产精品免费热7788| 大陆三级经典三级在线| 国内精品人妻无码久久久影院导航| 97无码免费人妻超级碰碰夜夜| 中文字幕二区AV人妻少妇| 国产古装妇女野外a片| 亚洲无线码一区二区三区| 天天爽夜夜爽夜夜爽精品视频| 少妇高潮惨叫久久久久久久| 白嫩光屁股bbbbbbbbb| 精品久久久久久久中文字幕| 亚洲 欧美 自拍 另类 日韩 | 国产人妻精品无码av在线| 丁香花视频在线观看完整版| 亚洲成AV人在线观看网站| 国产400部av国片免费| 成全视频在线观看免费高清| 入戏太深动漫未删减在线观看 | 亚洲av成人片无码| 蜜桃成人免费视频在线播放| 人妻少妇偷人精品视频| 欧美 亚洲 国产 另类| 久久婷婷五夜综合色啪软件下 | 精品久久久无码中文字幕vr | 日韩视频在线观看| 日韩欧美aⅴ综合网站发布| 永久免费无码AV在线网站| 国产亚洲人成a在线v网站| 驯服人妻hd中字日本 | 日本夜爽爽一区二区三区| 国产日韩欧美一区二区综合| 久久久久久精品无码| 国产成人AV三级在线观看| 午夜AV亚洲AV欧美AV| 亚洲精品中文字幕无码专区一| 亂倫近親相姦中文字幕|