韩漫画免费在线观看入口,国产精品欧美久久久久久久,99欧美精品一区二区三区,日韩欧激情一区二区三区

產品列表PRODUCTS LIST

首頁>產品中心>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:2025-07-02

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

含羞草国产精品日韩欧美| 青草草在线视频永久免费| AV中文字幕无码免费看| 国产亚洲精品久久久999蜜臀| 自拍偷拍亚洲一区二区三| 日本欧美一区二区三区人妻| 伊人久久亚洲综合影院首页| a亚洲五月六月婷婷在线| 日本一道本一二三区在线| 欧美精品欧美一区二区三区| 久久久亚洲精品中文字幕| 日本翁熄系列乱在线视频| 久久久久精品国产色哟哟| 久久久久久国产精品三区| 东京热人妻一区二区三区| 久久久无码av精品亚洲a片软件| a天堂专区一区二区三区| 久久久精品无码一二三区| 370P亚洲欧美日韩精| 女人日日操日日春夜夜爽| 日韩精品欧美国产一区二区| 欧美一级欧美一级在线放| 亚洲狠亚洲狠亚洲狠狠狠| 久久久久久AV无码专区| 国产精品国产三级国产爱网| 天黑黑影院免费观看视频在线播放| 大鸡巴 操出水在线观看| 免费在线观看不卡av片| 精品少妇久久一区二区三区| 久久久久久久久av熟女| 国产精品又又酱在线午夜| 在线看片免费人成视久网| 欧美精品一区二区| 日韩精品一区二区三区三州| 成人片夜AV片在线播放| 少妇的一区二区三区四区| 国产精品丝袜久久久久av| 国产大片三级在线观看视频| 中文字幕有码无码人妻av蜜桃| 你懂的在线观看视频网站| 日本翁熄系列乱在线视频|