国产各种视频在线观看_高清韩国a级特黄毛片_天堂8中文资源库在线官网_亚洲三级国产一区二区_熟妇不伦中文字幕_亚洲av永久无码精_无码免费午夜啪啪视频在线_女人高潮内射99精品_欧美一线高本道四区视频_国产午夜福利精品久久2021

簡(jiǎn) | | English

Analysis technology of ionic components in water

date:2018-01-27????browser:165
Ion chromatograph is used to analyze ionic components in water.
Analysis object:
Inorganic acid gas ions:F-、Cl-、NO2-、Br-、 NO3-、PO43-、SO42-。
Alkaline gas ions: NH4+, MEA, Li+, Na+, K+, Ca2+, Mg2+.
Alkaline gas ions:NH4+、MEA、Li+、Na+、K+、Ca2+、Mg2+。
 

Foucs

Copyright ? 2018 by lkeng. All rights reserved. 蘇ICP備17037805號(hào)-1 Tel 86-512-67027000