Cations in Beer

Cations in beer was analyzed using IC YK-421. Two types of beer, malt type and dry type were analyzed.

Sample : Beer (10-fold diluted), 30micro-L
1. Na⁺
2. NH₄⁺
3. K⁺
4. Ca²⁺
5. Mg²⁺

 Column : Shodex IC YK-421 (4.6mmID*125mm)
 Eluent : 5mM Tartaric acid + 0.8mM Dipicolinic acid aq.
 Flow rate : 1.0mL/min
 Detector : Shodex CD
 Column temp. : 40°C