丰满岳乱妇在线观看中字无码,漂亮的保姆5在线观看中文,把我绑在床头上夹奶头视频,免费人做人爱完整版视频

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>190U異丙叉丙酮CH3COCH=C(CH3)2檢測(cè)管190U MESITYL OXIDE 5-100ppm

異丙叉丙酮CH3COCH=C(CH3)2檢測(cè)管190U MESITYL OXIDE 5-100ppm

簡(jiǎn)要描述:

異丙叉丙酮CH3COCH=C(CH3)2氣體檢測(cè)管190U MESITYL OXIDE 5-100ppm,職業(yè)中毒突發(fā)事故現(xiàn)場(chǎng)快速檢測(cè),突發(fā)性事故氣體快速檢測(cè)箱及突發(fā)性事故水質(zhì)快速檢測(cè)箱,水質(zhì)快速檢測(cè)箱,突發(fā)化學(xué)事故應(yīng)急檢測(cè)箱,核化應(yīng)急檢測(cè)箱突發(fā)事件應(yīng)急 檢測(cè)箱標(biāo)準(zhǔn)配置⑴檢測(cè)管,水質(zhì)應(yīng)急檢測(cè)箱,突發(fā)事件氣體應(yīng)急檢測(cè)箱...有操作簡(jiǎn)單、快速、直讀、精確度較高、可連續(xù)檢測(cè)等特點(diǎn),不僅可用于現(xiàn)場(chǎng)快速檢測(cè),還可用于現(xiàn)場(chǎng)工作人員對(duì)環(huán)境毒物濃度,化學(xué)事故應(yīng)急檢測(cè)箱,化學(xué)事故綜合檢測(cè)箱

更新時(shí)間:2025-01-15

在線留言
異丙叉丙酮CH3COCH=C(CH3)2檢測(cè)管190U MESITYL OXIDE 5-100ppm

異丙叉丙酮CH3COCH=C(CH3)2氣體檢測(cè)管190U MESITYL OXIDE 5-100ppm

Tube 90U

GAS To pump
500
400
100
50
20
5
300
200
150
300ml
ppm
(White)
DEHUMIDIFIER
1. PERFORMANCE
1) Measuring range :5-100 ppm
Number of pump strokes 2(200ml)
2) Sampling time :3 minutes/2 pump strokes
3) Detectable limit :1 ppm
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Graduations printed on the tube are calibrated by Ethyl cellosolve at 3 pump strokes
and Mesityl oxide is determined by using a conversion chart.
8) Colour change :Yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3COCH=C(CH3)2+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
190U C MESITYL OXIDE
TEMPERATURE CORRECTION TABLE
Conver. Corrected Concentration (ppm)
value 0℃ 10℃ 20℃~40℃
(ppm) (32°F) (50°F) (68°F) (104°F)
100 - - 100
80 - 95 80
60 100 70 60
40 60 45 40
20 30 25 20
10 15 12 10
5 7 6 5
Substance ppm Interference ppm Coexistence
Alcohols Similar stain is produced. Higher readings are given.
Toluene 200 Whole reagent is discoloured 500 The top of discoloured layer
to Brown. becomes unclear.
Hexane The accracy of reading is not less than The accracy of reading is not
affected. 1,000ppm affected.
Ethyl Acetate 〃〃
Trichloroethylene 〃〃
90U Tube reading (ppm)?
(200mR)?
Mesityl oxide(ppm)?
500
400
300
200
100
50
20
5
5
40
60
10
20
80
100

欧美日韩免费观看在线影片| 日韩精品人妻系列无码专区免费| 放荡人妇人妻出轨系列| 精品人妻伦一二三区久久| 亚洲永久精品ww47| 诱人的妺妺2中文在线观看车爱| 玩弄放荡人妻少妇系列视频| 成年丰满熟妇午夜免费视频| 少妇一晚三次一区二区三区 | 欧美+日本+国产+在线观看| 凸凹人妻人人澡人人添| 人妻精品久久久久中文字幕一冢本| 免费a级毛片高清视频不卡| 99国产精品久久久蜜芽| 99久久国产福利自产拍| 青青草97国产精品免费观看| 精品无码一区二区三区亚洲桃色| 又爽又色禁片1000视频免费看| 中文字幕av日韩精品一区二区| 欧美性潮喷xxxxx免费视频看| 麻豆影视在线直播视频| 无码a∨高潮抽搐流白浆| 少妇大叫太大太深受不了| 日韩精品极品视频在线观看免费| 午夜dj在线观看免费视频| 欧美乱妇日本无乱码特黄大片| 粉嫩AV久久一区二区三区| 亚洲熟妇av一区二区三区漫画| 国产另类ts人妖一区二区 | 欧美日韩人妻精品一区二区三区| 亚洲国产精品久久久久婷婷老年| 夜里十大禁用短视频软件破解版| 亚洲成AV人片在线观看无码| 国内国外日产一区二区| 小蜜被两老头吸奶头在线观看| 国产放荡对白视频在线观看| 亚洲国产一区二区A毛片| 大肉大捧一进一出好爽视频mba| 欧美白丰满老太aaa片| 成年午夜福利片在线观看| 国产精品无码DVD在线观看|