韩漫画免费在线观看入口,国产精品欧美久久久久久久,99欧美精品一区二区三区,日韩欧激情一区二区三区

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管>氣體快速檢測管>190U異丙叉丙酮CH3COCH=C(CH3)2檢測管190U MESITYL OXIDE 5-100ppm

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

簡要描述:

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

更新時間:2025-07-02

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

異丙叉丙酮CH3COCH=C(CH3)2氣體檢測管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

亚洲欧美日韩高清专区一| 国产精品一区在线三级电影| 一区二区黄片在线免费看| 热re99久久精品国产| 欧美午夜精品一区二区蜜桃| 久久精品a国产精品久久| 久久一区二区三区国产免费| 99re最新视频在线播放| 久久精品免费人成人A片| 久久香蕉国产线看观看6| 精品久久8x国产免费观看| 久久中文字幕第一页在线| 精品亚洲少妇久久久久久| 欧美人妖久久久aaa片| 亚洲中文精品综合一区在| 精品国产91久久粉嫩懂色| 欧美日韩视频在线播放一区| 日本不卡码一区二区三区| 国产精品亚洲五月天丁香| 中文在线天堂中文在线天堂| 国产精品久久久久久久久a| 97欧美精品系列在线观看| 国产精品www在线无码| 清纯大学生囗交在线视频| 农村老女人操逼午夜视频| 国产亚洲中文字幕无线乱码| 三级黄色片网站在线观看| 亚洲a无线在线观看国产| 很黄很黄无遮挡在线网络| 国产精品一区二区苏妲己| 打几把草小骚逼无码网站| 日韩av电影视频在线观看| 久久人人爽爽爽人久久久| 精品国产一区二区三区蜜殿| 久久偷拍a视频免费播放| 亚洲精品久久AV无码麻| 久久精品国产-精品国产| 欧美日韩美女精品在线观看| 在线观看人与动牲交视频| 波多野结衣无码中文字幕| 中文字字幕在线中文无码|