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Anion Analysis in Lithium Salts (3) (SI-90 4E)

Lithium tetrafluoroborate, lithium hexafluorophosphate and lithium perchlorate are used as an electrolyte of a lithium ion secondary battery. In this application, the anions of these salts were analyzed using IC SI-90 4E, an anion analysis column for non-suppressor method.

Sample : 10μL
1. F 2mg/L
2. BF4 5mg/L
3. ClO4 10mg/L
4. PF6 30mg/L


Column       : Shodex IC SI-90 4E (4.0mmI.D. x 250mm)
Eluent       : 4.0mM Na2CO3 + 1.7mM NaHCO3 aq. 
Flow rate    : 1.5mL/min
Detector     : Suppressed coductivity
Column temp. : 45°C