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.

日产无码久久久久久精品| 伊人久久丁香色婷婷啪啪| H无码精品视频在线观看| 国产XXXX做受视频国语对白L| 欧美私人家庭影院| 97成人无码免费一区二区中文| 天天想你在线播放免费观看| 欧美又黄又嫩大片a级| 人妻斩り56歳无码| 无码专区久久综合久中文字幕| 曰本无码人妻丰满熟妇啪啪| 午夜精品久久久久久久99热蜜桃| 国产+高潮+白浆+无码| 精精国产xxxx视频在线| 亚洲精品久久无码午夜一区二区| 精品国产18久久久久久| 性欧美XXXXX乱极品少妇| 少妇人妻好深太紧了A| 麻豆一区二区三区精品视频 | 日产乱码一二三区别免费一| 最近2019中文字幕MV免费看| 少妇人妻人伦a片| 永久免费AV无码入口国语片| 日本亚洲洲精品码无无专区| 国内精品久久久久久99蜜桃| 午夜精品一区二区三区在线观看 | 竹菊精品久久久久久久99蜜桃| 欧美午夜理伦三级在线观看 | .精品久久久麻豆国产精品| 色综合视频一区二区三区| 欧美肥婆另类BBWBBW| 国产毛片久久久久久国产毛片| 日韩人妻无码精品久久久不卡| 美女又黄又免费的视频| 亚洲国产高清国产拍精品| 亚洲一区av无码少妇电影| 色欲av永久无码精品无码| 四虎永久在线精品免费网址| 国产精品成人免费一区二区| 高清欧美性猛交XXXX黑人猛交 | 久久亚洲AV午夜福利精品一区|