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

亚洲AV成人一区二区三区AV| 亚洲国产精品久久久久久无码| 国产特级毛片aaaaaa| JIZZ性欧美2| 青青草97国产精品免费观看| 精品无码av无码免费专区| 久久久久久无码AV成人影院| 亚洲AV国产爽歪歪无码| 免费观看电视剧全集在线播放| 欧美人与动牲交xxxxbbbb| 麻豆av一区二区三区久久| 久久亚洲AV成人无码电影A片| 国产乱国产乱老熟300部| 国产又爽又大又黄A片| 日韩精品一区二区三区四区蜜桃| 免费观看mv大片的直播软件| 无码中文字幕VA一区二区| 亚洲精品久久国产高清| 国产老肥熟xxxx| 久久久久夜色精品国产| 国产亚洲午夜高清国产拍精品 | 精品无人区一区二区三区| 99精品人妻少妇一区二区| 99国产精品偷窥熟女精品视频| 欧美VIVODESHD| 久久亚洲精品中文字幕| 综合图区亚洲欧美另类图片| 国产精品国产亚洲精品看不卡 | 亚洲精品国偷拍自产在线观看蜜臀| 麻豆乱码国产一区二区三区| 黄色电影免费观看| 国产传媒果冻天美传媒怎么入职 | 最近免费观看高清韩国日本大全 | 黑人粗进欧美白妞在线直播| 可以免费看美女隐私的app| 在线观看免费播放av片| 国产愉拍av免费视频一区| 国产特黄a片aaaa毛片| 亚洲性色精品一区二区在线| 一本久久知道综合久久| 欧美性巨大╳╳╳╳╳高跟鞋|