巨肉黄暴辣文高H文,337P人体粉嫩胞高清大图AV,日本边添边摸边做边爱60分钟,国产精品VIDEOSSEX久久发布

欄目導(dǎo)航

avigation

氫離子萃取柱

發(fā)布時(shí)間:2024-05-28

訪問(wèn)次數(shù):1825

公司地址:廣州市天河區(qū)天河北路僑林街47號(hào)中旅商務(wù)大廈東塔25E

產(chǎn)品價(jià)格:來(lái)電咨詢(xún)

產(chǎn)品詳情在線(xiàn)留言

Functionality: Cation-exchange hydronium form

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

pH stability: 014

Mode: Removal of alkaline earth and transition metals; pH adjustment of basic samples.

 

To remove high levels of alkaline earths and transition metals from sample matrices and in the neutralization of highly alkaline samples such as sodium hydroxide or sodium carbonate.