DX series ion specific membrane kit. Mount the new membrane onto the shaft of your ISE half-cell, and you have a new ISE! Kit contains one membrane plus electrolyte
從最近期的版本中選擇一個：
分析證明 (COA)
Lot/Batch Number
It looks like we've run into a problem, but you can still download Certificates of Analysis from our 文件 section.
