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管>氣體快速檢測管>111U礦(物)質(zhì)松節(jié)油氣體檢測管111U Mineral turpentine 4-200ppm

礦(物)質(zhì)松節(jié)油氣體檢測管111U Mineral turpentine 4-200ppm

簡要描述:

礦(物)質(zhì)松節(jié)油氣體檢測管111U Mineral turpentine 4-200ppm,礦油精檢測,提供的手動(dòng)采樣泵測毒管性能,能滿足您不同工作環(huán)境 的多種需求 應(yīng)用領(lǐng)域:農(nóng)業(yè)、化工、建筑、電力、消防、有毒材料、礦業(yè)、核工業(yè)、石 油石化、造紙、噴涂印刷、焊接。應(yīng)用場合:狹窄空間、有毒氣體檢測,我們是優(yōu)質(zhì)的測毒管供應(yīng)商,提供測毒管資料,測毒管介紹,測毒管應(yīng)用,測毒管價(jià)格 www.yd666.com

更新時(shí)間:2025-07-30

在線留言
礦(物)質(zhì)松節(jié)油氣體檢測管111U Mineral turpentine 4-200ppm

礦(物)質(zhì)松節(jié)油氣體檢測管111U Mineral turpentine 4-200ppm

 Tube 11U

1. PERFORMANCE
1) Measuring range :20-1,000 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :10 ppm
4) Shelf life : :2 years
5) Operating temperature :10~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Yellow→Brown
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3CO2C2H5+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1000
800
600
400
200
100
50
20
?? ??
111U ETHYL ACETATE
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 15℃ 20℃ 25℃ 30℃ 35℃ 40℃
(ppm) (50°F) (59°F) (68°F) (77°F) (86°F) (95°F) (104°F)
1,000 1,330 1,200 1,000 830 700 600 500
800 1,080 950 800 670 550 470 400
600 830 720 600 500 420 380 300
400 570 480 400 330 280 240 200
200 280 240 200 170 140 120 100
100 150 120 100 80 70 60 50
50 70 60 50 40 30 20 10
20 30 25 20 15 10 7 4
Substance Interference Coexistence
Alcohols Similar stain is produced. Higher reading are given.
Esters 〃〃
Ketones 〃〃
Aromatic hydrocarbons 〃〃
Whole reagent is discoloured to It the top of brown stain is clear,
Paraffin hydrocarbons Pale brown. athffee catcecdu.racy of readings is not
Halogenated hydrocarbons FIG.1 〃〃
0
200
400
600
800
1000
Trichloroethylene〔ppm〕?
FIG.1 Influence of Trichloroethylene

拔萝卜视频免费观看高清下载| 欧美午夜精品一区二区三| 亚洲国产精品区| 各处沟厕大尺度偷拍女厕嘘嘘| 亚马逊AWS永久免费网站| 男人艹女人小视频在线看| 色欲AV久久人妻蜜臀绯色| 花蝴蝶免费视频直播高清版| 农村三级三级久久三级久久| 久久人妻无码中文字幕频| 久久久精品人妻久久影视| 天干夜天干天天天爽视频| AV大鸡巴在线| 日韩人妻欧美一区二区久久| 欧AⅤ精品一区二区三区| 亚洲综合色视频在线观看| 国语熟妇乱人乱a片久久| av无码国产精品午夜a片| 亚洲av欧美aⅴ成人专区| 绯色av日本高清在线观看| 亚洲口爆吞精一区一青草| 被拖进小树林C了好爽H| 东京不太热在线观看视频| 亚洲成av人片在www| 人妻少妇一区二区三区精品| 东南亚小雉妓A片罗莉| 久久精品熟女| 局长含着娇妻的一对高耸 | 国产自拍在线观看| 91秦先生作品在线观看| 久久精品国产网红主播| 干我吧精品舔摸免费视频| 国产欧美熟妇另类久久七区| 77segui久久综合| 久久国产高清亚洲免费国| 久久99精品久久久学生| 精品久久久久久中文无码 | 国产性午夜直播在线观看| 久久久久久精品无码午夜| 国产亚洲精品久久久久久无码网站| 我控制不住我想要你|