欧美 国产 日本,嗯,嗯,嗯太舒服了视频,久久激情热播免费视频,午夜婷婷大香蕉

產(chǎn)品列表PRODUCTS LIST

砷檢知管 ARSINE AsH3 5-160ppm

簡(jiǎn)要描述:

砷檢知管 ARSINE AsH3 5-160ppm,氣體檢測(cè)管是用來檢測(cè)某種氣體在某一環(huán)境中所含濃度的簡(jiǎn)易檢測(cè)裝置,通過檢測(cè)劑與被檢測(cè)氣體的反應(yīng)而出現(xiàn)顏色變化,來表示所測(cè)環(huán)境中的氣體濃度。在不用任何能源、電源的情況下,具有操作簡(jiǎn)單、使用范圍廣、檢測(cè)準(zhǔn)確、即時(shí)性強(qiáng)和經(jīng)濟(jì)的特點(diǎn)。

更新時(shí)間:2025-06-03

發(fā)郵件給我們:554328895@qq.com

分享到: 1
在線留言
砷檢知管 ARSINE AsH3 5-160ppm

砷檢知管 ARSINE AsH3 5-160ppm

Tube No.
1. PERFORMANCE
1) Measuring range :0.05-5.0%
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :100 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Yellowish orange→Pale green(The top of discoloured lauer is Brown, but read
at the top Pale green.)
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
C2H5OH+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
5.0
4.0
3.0
2.0
1.0
0.5
0.1
0.05
%
DEHUMIDIFIER
(White)
????????
??????
?? ?? ??
104SA
ETHYL ALCOHOL
(ETHANOL)
Substance Interference Coexistence
Paraffin hydrocarbons
(over C3) Similar stain is produced. Higher reading are given.
Alcohols 〃〃
Esters 〃〃
Ketones 〃〃
Aromatic hydrocarbons 〃〃
If the top of discolouration by
Halogenated hydrocarbons Pale brown stain is produced. Ethanol can be obtained, the
accuracy of readings is not
affected.
TEMPERATURE CORRECTION TABLE
Scale True Concentration (%)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
5.0 - - 5.0 3.9 3.2
4.0 - - 4.0 3.2 2.6
3.0 - - 3.0 2.4 2.0
2.0 - - 2.0 1.6 1.3
1.0 - 1.9 1.0 0.8 0.7
0.5 - 0.8 0.5 0.4 0.3
0.3 0.9 0.4 0.3 0.3 0.2
0.1 0.1 0.1 0.1 0.1 0.1
www.r-biopharm.com.cn

懂色av色香蕉一区二区蜜桃 | 国产av主播| 91天堂制作原创优选| 偷拍盗摄xxoo| www.骚| 岳女共夫张淑芬无删减韩剧版 | 久久精品亚洲中文字幕无码网站| 一本一本久久aa综合精品| 久久国产乱子伦免费精品| 让少妇高潮无乱码高清在线观看| 国产精品久久久久久无码五月| 中文字幕大香视频蕉无码| 清远市| 少妇与大狼拘作爱性a| 内射中出日韩无国产剧情| 91亚洲精品久久久久图片蜜桃| 久久久久亚洲av无码麻豆| 制服丝袜有码中文字幕在线| 中国女人内谢69xxxx免费视频| 国产精品夜间视频香蕉| 久久精品国产99久久香蕉| 天天躁日日躁aaaaxxxx| 亚洲一区二区三区尿失禁| 日韩在线不卡免费视频一区| 国产无套露脸在线观看| 久躁夜夜躁狂狂躁夜夜| 榴莲冰皮月饼| 人妻一二三区| www.嫩草| 国产片a国产片免费看视频| 国产精品亚洲а∨天堂2021| 国产精品国产自线拍免费软件| 亚洲日本VA午夜在线影院| 国产成人a∨麻豆精品| 亚洲国产高清在线观看视频| 這裏匯聚了亚洲毛片无码不卡AV| 国产一区网站| 国产毛片毛片| 国产曰的好深好爽免费视频| 成人亚洲国产精品久久| 又硬又粗又大一区二区三区视频|