精品国产乱子伦一区二区三区,免费无码又色又爽的视频软件,亚洲AV无码成人精品区,99国产精品国产精品九九

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>108SA乙烯H2C=CH2氣體檢知管108SA ETHYLENE 20-1200ppm

乙烯H2C=CH2氣體檢知管108SA ETHYLENE 20-1200ppm

簡要描述:

乙烯H2C=CH2氣體檢知管108SA ETHYLENE 20-1200ppm,檢測管能冷凍嗎?即使說明書中指明該檢測管需冷藏保存,也要保證不能被冷凍。檢測完畢,需要進(jìn)行溫度的校正嗎?需要。檢測完畢,應(yīng)該按照說明書中的修正表或圖進(jìn)行修正。

更新時間:2024-10-30

在線留言
乙烯H2C=CH2氣體檢知管108SA ETHYLENE 20-1200ppm

乙烯H2C=CH2氣體檢知管108SA ETHYLENE 20-1200ppm

Tube 08SA

0
1000
500
Carbon monoxide〔ppm〕?
FIG.1 Influence of Carbon monoxide
Ethylene indicating value 〔ppm〕
200 400 0
1000
500
Hydrogen sulphide〔ppm〕?
FIG.2 Influence of Hydrogen sulphide
Bromine indicating value 〔ppm〕
500 1000
Coexistence
Interference
1. PERFORMANCE
1) Measuring range :20-1,200 ppm
Number of pump strokes :1(100ml)
2) Sampling time :3 minutes/1 pump stroke
3) Detectable limit :10 ppm
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Yellow→Blue
2. RELATIVE STANDARD DEVIATION
RSD-low:5% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Molybdate is reduced and molybdeum blue is produced.
H2C=CH2+PdSO4+(NH4)2MoO4→Mo3O8
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS
DEHUMIDIFIER
(White)
To pump
20
50
100
200
400
600
800
1000
1200
ppm
108SA ETHYLENE
Substance ppm Interference Coexistence
Carbon monoxide FIG.1 10 GWrheoelne. layer is discoloured to Higher readings are given.
Hydrogen sulphide FIG.2 500 Black stain is produced. 〃
Acetylene 20 Similar stain is produced. 〃
Propylene 〃〃
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
1,200 950 1,100 1,200 1,300 1,350
1,000 800 900 1,000 1,050 1,100
800 650 720 800 820 840
600 650 550 600 600 600
400 400 400 400 400 400
200 200 200 200 180 150
100 100 100 100 50 -
50 70 60 50 - -
20 40 30 20 - -

性生交大片免费看| 99国产精品白浆在线观看免费| 极品粉嫩国产18尤物在线播放| 免费a级毛片出奶水| 国产AV天堂无码一区二区三区| 日本人妻巨大乳挤奶水app| 无码人妻丰满熟妇BBB| 少妇与公做了一夜伦理| 精品人妻伦九区久久AAA片| 国产人久久人人人人爽| 蜜臀AV无码精品人妻色欲| 日本免费无码一区二区到五区| 亚洲AV无码成人精品久久久蜜| 男女交性视频无遮挡全过程| 美味人妻2016| 50岁熟女妇大白屁股真爽| 特黄做受又粗又大又硬老头| 新金瓶悔1一5集免费大片| 人性情感短片视频高清| 亚洲AV国产国产久青草| 无套内谢的新婚少妇国语播放| 无码日韩精品一区二区免费暖暖| 100种禁用的视频软件IOS| 亚洲精品乱码久久久久久自慰| 成人在线视频| 久久日产一线二线三线品牌| 欧美AV人人妻AV人人爽苍井空| 国产av自拍| 国产成人精品A视频一区| 中文字字幕在线中文乱码解决方法| 日韩精品久久无码中文字幕| 秋霞电影网手机版| chinese老太交70years| 久久ER99热精品一区二区| 亚洲国产成人精品无码区在线观看| 欧洲熟妇色xxxxx欧美老妇伦| FREE性玩弄妇女HD| 久久天天躁狠狠躁夜夜不卡| 极品少妇被猛得白浆直流草莓视频| 新狼窝色AV性久久久久久| 欧美大荫蒂毛茸茸视频|