亚洲精品一区二区三区中文字幕,23部禽亲女小丹慢慢张开双,妺妺窝人体色www在线下载,xxxx丰满小少妇女高潮

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:2025-01-08

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

肉乳乱无码a片观看免费| 自由xx 视频 hq 性别| 国产激情精品一区二区三区| 男女高潮又爽又黄又无遮挡| 国产精品女a片爽爽波多洁衣| 国产精品久久久久精品| 粗大挺进朋友人妻身体里国产电影| 又大又粗又爽a级毛片免费看| www国产精品内射老熟女| 名门嫡姝-213大h慎入| 野花免费观看高清在线4 | 色噜噜狠狠色综合久夜色撩人| 亚洲av日韩av无码| 欧美人与物videos另类 | 成人做爰www网站视频| 性视频免在线观看视频| 国产无套内谢普通话对白| 一受多攻同做h嗯啊巨肉| 亚洲一久久久久久久久| 国内精品久久久久影视老司机| av免费在线观看| 国产真实乱人偷精品视频| 国产人成无码视频在线观看| 亚洲国产精品无码专区| 我和公发生了性关系怎么办 | 色噜噜狠狠色综合久夜色撩人| 亚洲精品无码高潮喷水a片软| 无码高潮少妇毛多水多水免费| 无码熟妇人妻av在线| 精品国产乱码一区二区三区| 狠狠cao日日穞夜夜穞| 色94色欧美sute亚洲线路二| 国产精品a∨一区二区三区| 白嫩少妇bbw撒尿视频| 清冷医生受h打开腿乖听话男男| 国产精品打着电话偷着情 | 人人妻人人澡人人爽欧美一区双 | 人人妻人人澡人人爽国产一区| 无码一区二区三区在线| 大肉大捧一进一出好爽视频| 有车车的腐肉动画网入口|