国产办公室激情高潮在线,巨肉黄暴辣文高H文,娇妻与老头高潮在线观看,免费观看电视剧全集在线播放 ,亚洲精品乱码一区二区三区

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(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:2025-07-30

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.

亚洲精品乱码一区二区三区| 偷拍中国熟妇乱XXXXX| 成人毛片18女人A片| 欧美一区二区三区黑人污| 精品久久久无码中文字幕边打电话 | 国产免费AV片在线播放| 男女无遮挡羞羞视频免费网站,| 日韩亚洲高清一区二区三区| 操绿屄视频在线免费观看| 人妻爽爽免费在线视频 | 粉嫩蜜臀av一区二区绯色| 欧美午夜伦理片在线观看| 国产日本久久看| 东北熟妇王梅娟| 无码中文字幕乱码免费2| 亚洲日韩精品一区二区三区无码| 欧美日韩在线观看区一二| 久久国产精品久久喷水| 日韩电影在线观看中文字幕| 中文字幕精品久久久人妻| 久久国产最新精品小视频| 精品国产乱码久久久久乱码| 五月天丁香综合久久国产| 欧美日韩亚洲精品在线观看| 午夜色爽爽爽爽爽爽爽爽| 好吊视频一区二区三区| 国内精品国产三级国产aa| 国产精品久久久久久久A片冻果| 污插入插拔视频在线观看| 国产精品欧美久久久久无| k8经典电影网在线播放| 激情无码黄动漫在线观看| 朝鲜女人毛多水多又紧又滑| 国产玖玖玖九九精品视频| 亚洲 自拍 欧美 在线| 国产欧美日本一区二区三区| 久久99精品福刮久久久| 天天操天天日天天干天天操| 狠狠躁夜夜躁无码东京热| 日本妇人成熟a片免费现看| wwxx在线观看免费|