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(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(fù)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

日本成A人片在线播放| 久久精品夜色噜噜亚洲a∨| 国产av在线| 国产精品一区二区三区| caoporn免费视频在线| 风流老熟女一区二区三区| 丰满少妇被猛男猛烈进入久久| 偷拍激情视频一区二区三区| 无码aⅴ免费中文字幕久久| 最新中文乱码字字幕在线| 国产精品麻豆成人AV电影| 国产成人精品一区二区三区不卡| 久久精品国产精品亚洲毛片| 无码精品一区二区三区免费视频| 亚洲乱码一区二区三区香蕉| 国产农村熟妇videos| 再深点灬舒服灬太大了添gif| 国产精品 重口 调教系列| 国产伦精品免编号公布| 久久婷婷激情综合色综合俺也去 | 无码日韩人妻AV一区二区三区| 中文字幕一区二区人妻| 国产一区二区三区| 欧美成人看片一区二区三区尤物| 久久午夜无码鲁丝片午夜精品| 亚洲国产精品无码| 欧美在线人一区二区三区| 啊灬啊灬啊灬快灬高潮了| 国产精品乱码久久久久软件| summertime在线播放| 人人爽人人爽人人片AV| 国内老熟妇对白hdxxxx| 亚洲精品在线观看| 国产免费又色又爽粗视频| 亚洲精品国产精品| 无码人妻精品一区二区三区东京热| 国产免费av片无码永久免费| 一二三四在线观看免费高清视频| 小13箩利洗澡无码免费视频| xx性欧美肥妇精品久久久久久| 夜夜躁狠狠躁2021|