久久精品国产亚洲AV麻豆蜜芽,风流少妇A片一区二区蜜桃,国产精品久久久久精品三级卜 ,性欧美大战久久久久久久久

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(cè)管>氣體快速檢測(cè)管>199U甲基環(huán)己醇CH3C6H10OH氣體檢測(cè)管199U METHYL CYCLOHEXANOL 5-200

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

簡(jiǎn)要描述:

日本KITAGAWA北川式甲基環(huán)己醇CH3C6H10OH氣體檢測(cè)管199U METHYL CYCLOHEXANOL 5-200ppm,氣體檢測(cè)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(shí)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(cè)管現(xiàn)有Ⅰ、Ⅱ、Ⅲ三種,從零點(diǎn)到幾個(gè)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(shí)間:2025-03-11

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

日本KITAGAWA北川式甲基環(huán)己醇CH3C6H10OH氣體檢測(cè)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

被主人公开羞辱调教自慰| 亚洲日韩一区二区三区四区高清| 亚洲熟妇AV一区二区三区| 免费AV在线观看| 国产精品久久久久久人妻| 中文字幕人妻丝袜美腿乱| 久久久久久久99精品免费观看| 小柔在公厕被灌满JING液| 欧美性猛交╳XXX富婆| 国产又色又爽又高潮免费视频麻豆| 亚洲熟女WWW一区二区三区| 又湿又紧又大又爽A视频| 美女扒开尿眼让男人桶爽视频| 国产97在线 | 中文| 欧美一区二区三区啪啪| 中文字幕人妻丝袜二区| 50岁丰满女人裸体毛茸茸| 全彩调教本子H里番全彩无码| 国产精品 精品国内自产拍| 齐天大性之大闹盘丝洞| 黑人巨大XXXXXXX| 亚洲另类激情综合偷自拍图| 亚洲精品一区二区另类图片| 熟女少妇丰满一区二区| 爆乳熟妇一区二区三区霸乳 | 亚洲国产成人久久一区二区三区| 亚洲AV无码一区二区三区性色| 又白又嫩毛又多15P| 精品亚洲成A人无码成A在线观看| 玩白嫩少妇小泬高潮18P| 国产精品久久久久久AV福利| 粗大挺进亲女H晓晓| 亚洲午夜福利AV一区二区无码| 小舞屈辱打开双腿自慰出白浆| 137最大但人文艺术摄影| 精品国产乱码久久久人妻| 国产毛多水多做爰爽爽爽| 男人J桶进女人P无遮挡全过程| 大内密探之零零性性| 婷婷综合久久中文字幕蜜桃三电影| 亚洲成AV人片在线天堂无|