少妇无码自慰毛片久久久久久-户外露出国产精品短视频-东京热不卡一区二区视频-亚洲国产精品高清线久久-精品久久久久久中文字幕无码软件-欧美不卡一区二区三区视频-国产午夜片无码区在线播放-婷婷四房播播-丁香亚洲综合五月天婷婷

欄目導航

avigation

鋇離子萃取柱

發布時間:2024-05-28

訪問次數:2733

公司地址:廣州市天河區天河北路僑林街47號中旅商務大廈東塔25E

產品價格:來電咨詢

產品詳情在線留言

Functionality: Cation-exchange barium form

Capacity (meq/cartridge):2.02.2 (1-cc);5.05.5 (2.5-cc)

pH stability: 014

Mode: Removal of sulfate by precipitation.

 

To remove SO42- For reproducible, quantitative determinations in low-ionic-strength samples, these cartridges should be activated with a chloride-based activating solution. Then the added chloride needs to be removed