成人毛片无码一区二区三区,亚洲精品成人无码中文毛片,亚洲国产精品尤物yw在线观看,人妻互换精品一区二区

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>216S丙酸CH3CH2COOH氣體檢測管216S PROPIONIC ACID 3-50ppm

丙酸CH3CH2COOH氣體檢測管216S PROPIONIC ACID 3-50ppm

簡要描述:

丙酸CH3CH2COOH氣體檢測管216S PROPIONIC ACID 3-50ppm,健康危害: 吸入本品對呼吸道有強烈刺激性,可發(fā)生肺水腫。蒸氣對眼有強烈刺激性,液體可致嚴重眼損害。皮膚接觸可致灼傷。大量口服出現(xiàn)惡心、嘔吐和腹痛。公共場所:電影院、劇場、商場、飯店和酒店等,體育與休閑:游泳池、訓(xùn)練場、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)測站(大隊)等,突發(fā)性化學事故:如火災(zāi)、爆炸、毒氣泄漏等,針對突發(fā)公共衛(wèi)生事件應(yīng)急監(jiān)測推出的氣體應(yīng)急檢測箱等。

更新時間:2025-12-08

在線留言
丙酸CH3CH2COOH氣體檢測管216S PROPIONIC ACID 3-50ppm

丙酸CH3CH2COOH氣體檢測管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.

国产v综合v亚洲欧美久久| 久久超碰精品一夜七次郎| 色欲国产精品久久毛片av大全| 国产乱码精品一区二区三区中文 | 国产丰满老熟妇乱xxx1区| 精品国产一区二区三区久久| 日本亚欧乱色视频| 久久久久AV综合网成人| 国产在线 | 欧洲| 亚洲一区二区三区国产精华液| free性丰满hd性欧美| 丁香五月亚洲综合深深爱| 少妇做爰免费视看片| 欧美精品中文字幕亚洲专区| 日本添下边视频全过程| 日韩性做爰免费a片aa片| 粗大的内捧猛烈进出在线视频 | 国产美女在线精品免费观看| 欧美mv日韩mv国产网站| 亚洲国产成人精品女人久久久| 性 色 国产 视频| 久久精品国产亚洲av电影网| 日本三级吃奶头添泬| 一本久道中文无码字幕av| 欧美人妻精品一区二区三区| 欧美与黑人午夜性猛交久久久 | 国产97在线 | 中文| 国产人与禽zoz0性伦| 粗大的内捧猛烈进出少妇视频| 久久久婷婷五月亚洲97号色 | 亚洲AV永久无码老湿机| 国产成人无码精品久久久露脸| 国内精品久久久久久久影视麻豆 | 日韩av片无码一区二区不卡| 国产精品无码久久久久| 最近2019年中文字幕完整版免费| 亚洲熟妇国产熟妇肥婆 | 欧美人与动性XXXXX杂| 日本在线观看哔哩哔哩视频| a级毛片免费网站| 搡老熟女国产|