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

精品无人区乱码1区2区3区| 午夜精品久久久久久久无码 | 人妻夜夜添夜夜无码av茄子视频| 国产在线观看无遮挡无码AⅤ多人 国产亚洲午夜高清国产拍精品 | 免费在线黄色电影| 精品国产丝袜黑色高跟鞋| 男女男精品免费视频网站 | 97色情在线观看免费高清| 西瓜视频高清在线观看免费| 欧美xxxxxoo大尺度| 欧美rapper潮水抽筋| 欧美私人家庭影院| 久久精品欧美人ooxx | 国产精品毛片无码| 爽爽爽男女爽视频免费| 欧美成人网站| 国语自产精品视频在线完整版 | 久久国产加勒比精品无码| 欧美IPHONEXSMAX免费| 日本人妻丰满熟妇久久久久久| 菠萝蜜视频免费观看| 国产激情一区二区三区app| 麻豆乱码国产一区二区三区| 日韩AV在线观看| 欧美 变态 另类 人妖| 日本人妻伦在线中文字幕| 欧美freesex黑人又粗又大| 亚洲日韩国产精品乱-久| 国产精品美女一区二区视频| 波多野结衣一区二区三区高清| 亚洲国产精品无码久久| 国模无码大尺度一区二区三区| 人妻被按摩师玩弄到潮喷| 熟妇的荡欲色综合亚洲| 久久亚洲美女精品国产精品| 午夜精品久久久久久99热| 1000部啪啪未满十八勿入免费 | 国产精品免费无遮挡无码永久视频 | 第一次破学生处视频免费观看| 国产又粗又猛又爽又黄的视频| 亚洲愉拍99热成人精品|