精品国产天线2019,色综合久久无码五十路人妻,亚洲熟悉妇女XXX妇女AV,亚洲H在线播放在线观看H

產(chǎn)品列表PRODUCTS LIST

首頁(yè)>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>216S丙酸CH3CH2COOH氣體檢測(cè)管216S PROPIONIC ACID 3-50ppm

丙酸CH3CH2COOH氣體檢測(cè)管216S PROPIONIC ACID 3-50ppm

簡(jiǎn)要描述:

丙酸CH3CH2COOH氣體檢測(cè)管216S PROPIONIC ACID 3-50ppm,健康危害: 吸入本品對(duì)呼吸道有強(qiáng)烈刺激性,可發(fā)生肺水腫。蒸氣對(duì)眼有強(qiáng)烈刺激性,液體可致嚴(yán)重眼損害。皮膚接觸可致灼傷。大量口服出現(xiàn)惡心、嘔吐和腹痛。公共場(chǎng)所:電影院、劇場(chǎng)、商場(chǎng)、飯店和酒店等,體育與休閑:游泳池、訓(xùn)練場(chǎng)、室內(nèi)體育設(shè)施等,環(huán)境:環(huán)保局、疾病預(yù)防控制中心、環(huán)境監(jiān)測(cè)站(大隊(duì))等,突發(fā)性化學(xué)事故:如火災(zāi)、爆炸、毒氣泄漏等,針對(duì)突發(fā)公共衛(wèi)生事件應(yīng)急監(jiān)測(cè)推出的氣體應(yīng)急檢測(cè)箱等。

更新時(shí)間:2025-03-11

在線留言
丙酸CH3CH2COOH氣體檢測(cè)管216S PROPIONIC ACID 3-50ppm

丙酸CH3CH2COOH氣體檢測(cè)管216S PROPIONIC ACID 3-50ppm

Tube No.216S
1. PERFORMANCE
1) Measuring range :1-50 ppm
Number of pump strokes :1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.1 ppm(100ml)
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(0~20℃)(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Pale pink→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By reacting with alkali, PH indicator is discoloured.
HCO2H+NaOH→HCO2Na+H2O
4. CALIBRATION OF THE TUBE
VAPOUR PRESSURE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
50
40
30
20
10
5
13
100ml
ppm
216S FORMIC ACID
Substance ppm Interference ppm Coexistence
Sulphur dioxide Similar stain is produced. HCO2Hconc. ×1/20 Higher readings are given.
Nitrogen dioxide 300 〃10 The top of discoloured layer
becomes unclear.
Hydrogen chloridFeIG.1 Pink stain is produced. HCO×2H2conc. Higher readings are given.
Chlorine FIG.2 Bprluoediusche yde. llow stain is 5 〃
Acetic acid Similar stain is produced. 〃
0
60
10
20
30
40
50
Hydrogen chloride〔ppm〕?
FIG.1 Influence of Hydrogen chloride
Formic acid indicating value 〔ppm〕
100 200 300
Coexistence
Interference
0
60
10
10
20
20
30
30
40
40
50
50
Chlorine〔ppm〕?
FIG.2 Influence of Chlorine
Formic acid indicating value 〔ppm〕
Coexistence
Interference
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20~40℃
(ppm) (32°F) (50°F) (68°F)
50 82 60 50
40 57 45 40
30 36 32 30
20 22 21 20
10 10 10 10
5 5 5 5
2 2 2 2
(NOTE)
This tube scale is calibrated based on Acetic acid and the same scale is available for Formic acid.

AV一区二区三区人妻少妇| 免费看国产曰批40分钟无码| 精品无人区一区二区三区在线| 亚洲欧美激情精品一区二区| 欧美a一片xxxx片与善交| 曰本无码人妻丰满熟妇啪啪| WWW.一本色道88久久爱| 人妻丰满熟妇AV无码片| 色国产色无码色欧美色在线| 人妻聚色窝窝人体www一区| 乱码国产丰满人妻WWW| 亚洲中文字幕无码av永久| 国外精品视频在线观看免费 | 国产女主播喷水视频在线观看 | 100国产精品人妻无码| 欧美性XXXXX极品| 换人妻好紧4p| 欧美在线香蕉在线视频| 精品国产乱码久久久久久1区2区| 日韩精品久久日日躁夜夜躁影视| 18禁裸乳无遮挡自慰免费动漫| 日产PATHFINDER国产| 欧美粗大无套gay| 香蕉久久夜色精品升级完成| 性xxxx欧美老妇胖老太肥肥| 真人做人60分钟啪啪免费看| 久久精品国产大片免费观看| 精品成A人无码亚洲成A按摩| 亚洲色欲色欲在线大片| 亚洲精品无码久久久久y| 亚洲午夜精品A片久久WWW解说| 性做久久久久久免费观看| 曰批免费视频播放免费| 色欲av精品人妻一区二区三区 | 裸身美女无遮挡永久免费视频| 国产婷婷成人久久av免费高清| 15学生初次破初视频免费| 激情爆乳一区二区三区| 日本精品无码久久久久三级国产| 欧美性生交a片免费看| 亚洲老熟女AV一区二区在线播放 |