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>199U甲基環(huán)己醇CH3C6H10OH氣體檢測管199U METHYL CYCLOHEXANOL 5-200

甲基環(huán)己醇CH3C6H10OH氣體檢測管199U METHYL CYCLOHEXANOL 5-200

簡要描述:

日本KITAGAWA北川式甲基環(huán)己醇CH3C6H10OH氣體檢測管199U METHYL CYCLOHEXANOL 5-200ppm,氣體檢測管的原理及使用,分析速度快。由于操作方便,使得每一次分析所需時間大為縮短,一般僅需幾十秒至幾分鐘即可得知結(jié)果,其分析速度是任何化學(xué)分析和儀器方法不能比擬的。適應(yīng)性好。檢測管現(xiàn)有Ⅰ、Ⅱ、Ⅲ三種,從零點(diǎn)到幾個PPM(10-6)到百分之幾十,適用范圍很大,為分析工作提供了很大方便。

更新時間:2025-03-11

在線留言
甲基環(huán)己醇CH3C6H10OH氣體檢測管199U METHYL CYCLOHEXANOL 5-200

日本KITAGAWA北川式甲基環(huán)己醇CH3C6H10OH氣體檢測管199U METHYL CYCLOHEXANOL 5-200ppm

Tube 99U

1. PERFORMANCE
1) Measuring range :5-200 ppm
Number of pump strokes 3(300ml)
2) Sampling time :4.5 minutes/3 pump strokes
3) Detectable limit :1 ppm
4) Shelf life :2 years
5) Operating temperature :10~40℃
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:10%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3C6H10OH+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
5
15
20
40
60
80
100
150
200
ppm
300ml
GAS To pump
DEHUMIDIFIER
(White)
199U METHYL CYCLOHEXANOL
Substance Interference Coexistence
Aliphatic hydrocarbons Whole reagent is changed to Pale The accuracy of readings is not
brown. 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 readings is not
the bottom of the reagent. affected.
0
150
200
50
100
Ethanol〔ppm〕?
FIG.1 Influence of Ethanol
Methyl cyclohexanol
indicating value 〔ppm〕
50 100 150
25
Coexistence
Interference
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 20℃ 30℃ 40℃
(ppm) (50°F) (68°F) (86°F) (104°F)
200 - 200 110 65
150 - 150 85 52
100 - 100 60 40
80 170 80 50 30
60 110 60 35 25
40 70 40 25 15
20 40 20 15 10
10 20 10 7 5
5 10 5 4 3

国产又色又爽又黄a片小说| 中文在线А天堂中文在线新版| 天堂AV无码一区二区三区| 肉大捧一进一出免费视频| 欧洲无码精品A码无人区| 一个人在线观看的www片| 日韩精品久久日日躁夜夜躁影视| 色狠狠一区二区三区香蕉| 国内少妇人妻偷人精品免费视频| 屁屁草草影院ccyycom| 国产特级毛片aaaaaa高清| 无码人妻少妇久久中文字幕| 亚洲精品久久久久久久蜜桃 | 国产特级毛片aaaaaaa高清| caoporen免费精品视频| 国产精品一区久久久久久 | 凌晨三点看的片WWW在线看| 久久强奷乱码老熟女网站| 2017亚洲天堂最新地址| 免费a级毛片无码专区| 国产精品毛片va一区二区三区| 国产农村妇女毛片精品久久| 国产激情无码一区二区三区| 野花香视频在线观看免费| 蜜臀久久av无码牛牛影视| 9制片厂制片传媒在线播放| 在线福利视频| 无码精品国产一区二区三区免费 | 无码人妻精品一区二区蜜桃在线看| 无码视频一区二区三区在线观看| 女人夜夜春精品a片| 精品久久久久久无码中文野结衣| 欧美又大又粗毛片多喷水| 亚洲av无一区二区三区| 国产乱视频在线观看| 无套内谢的新婚少妇国语播放| 99国产精品国产精品九九| 亚洲日韩av无码一区二区三区人 | 久久久久无码精品亚洲日韩| 99久久精品日本一区二区免费| 人妻av乱片av出轨|