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.

欧美人妻日韩精品| 亚洲免费在线观看| 2017亚洲天堂最新地址| 狠狠色噜噜狠狠狠888米奇视频| 无人在线观看高清免费完整版 | 中文字幕亚洲情99在线| AV无码人妻一区二区三区牛牛| 国产欧美熟妇另类久久久 | 美国式禁忌在线观看| 国产又黄又猛又粗又爽的a片小说| 99精品视频一区在线观看| 精品久久久久久中文字| 婷婷综合久久狠狠色99H| 欧美成人精精品一区二区三区| 国产乱妇无乱码大黄aa片| 国产真人无码作爱免费视频APP| 日本理伦片午夜理伦片| 曰本无码人妻丰满熟妇啪啪| 亚洲人色婷婷成人网站在线观看| 国产后入又长又硬| 亚洲国产无线码在线观看| 99无码熟妇丰满人妻啪啪| 老色69久久九九精品高潮| 久久人妻av中文字幕| 日本无码欧美一区精品久久| 亚洲精品无码mv在线观看| 国产乱妇乱子在线播视频播放网站| 永久免费无码网站在线观看个| 亚洲乱亚洲乱妇50p| 国产亚洲精品久久久久久久软件| 久久人妻少妇嫩草av蜜桃| 久久国产一区二区三区| 亚洲 欧美 中文 日韩| 久久精品无码一区二区三区免费| 在线永久看片免费的视频| 精品日本一区二区三区在线观看| 欧美三级在线播放| 国产中文字幕乱人伦在线观看 | 中文无码亚洲精品字幕| 国产好大对白露脸高潮| 国产spa盗摄xo在线观看|