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>197U環(huán)已酮氣體檢測管C9H14O 異佛爾酮Isophorone 197U CYCLOHEXANONE

環(huán)已酮氣體檢測管C9H14O 異佛爾酮Isophorone 197U CYCLOHEXANONE

簡要描述:

環(huán)已酮氣體檢測管C9H14O 異佛爾酮Isophorone 197U CYCLOHEXANONE 5-80ppm,健康危害:本品具有麻醉和刺激作用。液體對皮膚有刺激性;眼接觸有可能造成角膜損害。慢性影響:長期反復接觸可致皮炎。微溶于水,易溶于乙醇和乙醚。易燃,無腐蝕性。蒸氣與空氣形成爆炸性混合物,爆炸極限3.2%~9%(體積)。

更新時間:2025-03-11

在線留言
環(huán)已酮氣體檢測管C9H14O 異佛爾酮Isophorone 197U CYCLOHEXANONE

環(huán)已酮氣體檢測管C9H14O 異佛爾酮Isophorone 197U CYCLOHEXANONE 5-80ppm

1. PERFORMANCE
1) Measuring range :2-100 ppm
Number of pump strokes 3(300ml)
2) Sampling time :4.5 minutes/3 pump strokes
3) Detectable limit :1 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 3 pump strokes
8) Colour change :Yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
C6H10O+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
100
80
60
40
20
10
2
300ml
ppm
(White)
DEHUMIDIFIER
??????
Tube No.
197U CYCLOHEXANONE

Substance Interference Coexistence
Aliphatic hydrocarbons Whole stain is changed to brown. The accuracy of reading is not
affected.
Aromatic hydrocarbons 〃〃
Halogenated hydrocarbons 〃〃
Alcohols FIG.1 Similar stain is produced. Higher readings are given.
Esters Pale ringed stain is produced near The accuracy of reading is not
the bottom of the reagent. affected.
0
30
50
70
10
Ethanol〔ppm〕?
FIG.1 Influence of Ethanol
Cyclohexanone indicating value 〔ppm〕
50 100 150
Coexistence
Interference
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 20℃ 30℃ 40℃
(ppm) (50°F) (68°F) (86°F) (104°F)
100 - 100 75 60
80 120 80 62 50
60 84 60 46 37
40 52 40 30 25
20 26 20 16 13
10 14 10 8 7
2 3 2 2 1

国产精品久久久久久久A片冻果| 岛国激情一区二区三区| 久久无码人妻一区二区三区午夜| 男人狂躁进女人免费视频| 国产娇小粉嫩学生免费网站 | 熟女人妻一区二区三区免费看 | 黄页网站免费频道大全| 人妻少妇偷人精品视频| videosgrati欧美另类| 国产成人久久AV免费看澳门| 欧美| 国产精品理论片| 国产产无码乱码精品久久鸭| 亚洲 日本 欧美 中文幕| 久久精品国产亚洲AV影片| 99久久久国产精品免费调教| 欧美IPHONEXSMAX免费| 日本巜侵犯人妻人伦| 国产精品a免费一区久久电影 | 亚洲AV无码成人精品区日韩| 三上悠亚人妻中文字幕在线| 国产成人精品综合久久久久| 亚洲国产精品成人久久久| 成人做爰免费观看| 麻花豆传媒剧国产MV的特点| 欧美高清性色生活片免费观看| 少妇被粗大的猛烈进出免费视频 | 黑人巨茎大战欧美白妇| 国产特黄级AAAAA片免| 成人免费a片毛片免费观看软件| 亚洲国产精品成人天堂| 亚洲AV无码久久寂寞少妇| 国产一区二区三区乱码| 无码国产精品久久一区免费| 黑巨人与欧美精品一区| 国产精品久久久久av福利动漫| 永久免费无码网站在线观看| 97久久超碰国产精品2021 | 无码AV精品一区二区三区| 无码中文字幕日韩专区| 无码熟妇人妻AV在线影片最多|