国产成人一区二区三区影,无遮挡啪啪摇乳动态图GIF,少妇高潮潮喷到猛进猛出小说,国产AV在线

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.

成人激情五月天| 精品国产乱码久久久久久上海公司| 冲田杏梨K乳女教师未删减版| 久久久噜噜噜久久中文字幕色伊伊| 久久天天躁狠狠躁夜夜AV麻豆| 韩国三级日本三级少妇| 国产香港明星裸体XXXX视频| 亚洲色欲一区二区三区在线观看| 黑人RAPPER大全 顶级| 2023国产麻豆剧传媒鱿鱼游戏| 最近免费韩国电影高清版无吗| 金瓶悔1一5扬思敏完整版| 国产精品美女久久久| 我的初次内射欧美成人影视| ASS美女撒尿PICS| 女性私密部位粉嫩| 法国艳妇LARALATEX| 波多野42部无码喷潮在线| 久久精品一区二区三区| 欧美日韩中文国产一区发布| 无限资源在线观看片中文在线| 寂寞的儿媳妇高清电影| 亚洲精品一区久久久久久| 亚洲AV无码一区二区乱子伦AS| 嫩草国产福利视频一区二区| 欧美粗大猛烈18p| 把她日出水了好紧大爽了视频| 精品人妻中文无码AV在线| 99久久亚洲精品无码毛片| 无码人妻一区二区三区精品视频| 无码精品人妻一区二区三区漫画| 肉不停H共妻H山中猎户H| 久久人妻少妇嫩草AV蜜桃| 亚洲日韩精品欧美一区二区一| 韩国三级日本三级少妇| 国产一区二区三区成人欧美日韩在线观看| 白天躁晚上躁天天躁2022| 久久丫精品国产亚洲AV妓女| 偷拍农民工嫖妓BBBBB| 亚洲国产精品一区二区WWW| 母亲5免费完整高清电视|