丰满岳乱妇在线观看中字无码,漂亮的保姆5在线观看中文,把我绑在床头上夹奶头视频,免费人做人爱完整版视频

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:2025-01-15

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

精品亚洲成a人无码成a在线观看 | 久久精品无码一区二区日韩av| 久久99国产精品久久99果冻传媒| 国产精品无码专区在线播放| 欧美黑人乱大交| 少妇人妻精品一区二区三区| 秋霞鲁丝片成人无码| 蜜桃人妻无码av天堂三区| 99精品欧美一区二区三区黑人| yy111111少妇无码理论片| 野花香在线视频免费观看第一集| 亚洲国产精品尤物yw在线观看| 国产成人久久777777| 大战丰满人妻50p| 大肥女高潮bbwbbwhd视频| 性欧美丰满熟妇xxxx性| 日本少妇高潮日出水了| 亚洲AV舒服丰满在线播放| 免费a级毛片出奶水| 国产成人午夜高潮毛片| 日本高清视频www| 中文无码精品一区二区三区| 亚洲色欲色欲www在线播放| 麻豆精品久久久久久久99蜜桃 | √天堂中文WWW官网在线| 给我免费播放片| 国产特级毛片a片www| 中文字幕AⅤ人妻一区二区| 99久久国产热无码精品免费| 国产激情一区二区三区| 久久99精品久久久久子伦| 色综合久久久无码中文字幕| 久久综合亚洲鲁鲁五月天| 无码国产一区二区三区四区| 日本无人区码卡二卡三卡| 精品不卡一区二区| 国产放荡对白视频在线观看| 国产精品宾馆在线精品酒店| 强伦姧人妻波多野洁衣| 久久66热人妻偷产精品9| 无码a片观看免费|