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>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(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(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)測推出的氣體應(yīng)急檢測箱等。

更新時(shí)間:2024-10-30

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.

老师破女学生处特级毛OOO片| 学生娇小嫩白紧小疼叫| 成为全校公交车的日常生活| 最近中文字幕MV免费高清在线| 性饥渴艳妇K8经典A片| 欧美一区二区三区成人片在线| 人妻精油按摩BD高清中文字幕| 成人片黄网站A毛片免费| 欧美大屁股XXXX| 爆乳熟妇一区二区三区霸乳| 金铁霖简历及个人资料| 《交换:完美的邻居》2020| 农村诱奷小箩莉H文合集| 18处破外女出血视频在线观看| 国产精品特级毛片一区二区三区| 永久免费A∨片在线观看| BGMBGMBGM老太太视频| 麻花传媒剧国产MV网站| 丝袜老师办公室里做好紧好爽| 青梅被从小摸到大H补课1视频| 日本特黄特色aaa大片免费| 小娟翁止熄痒禁伦短文合集俏佳人| 张开双腿疯狂迎合强壮公| 把女邻居弄到潮喷的性经历| 国产片和外国大片| 成人免费无遮挡无码黄漫视频| 色综合久久久无码中文字幕| 无码中文字幕AV久久专区| 亚洲精品无码久久久久久久| 免费理论电影| 国产老太一性一交一乱| 国产麻豆精品一区二区三区| 免费A级毛片在线播放不收费| ASS美女撒尿PICS| 麻豆人妻少妇精品无码区| 亚洲 精品 综合 精品 自拍| 亚洲AV无码一区二区二三区软件| 成人无码精品1区2区3区免费看| 把皇上摁在龙椅上做臣子的典故| 新CHINESE无套小帅KTV| 男人猛躁进女人的毛片A片|