| Chemical.Interfaces.SubstancePort_a | Na | | Free natrium ions Na+ |
| Chemical.Interfaces.SubstancePort_a | HCO3 | | Free bicarbonates HCO3- |
| Chemical.Interfaces.SubstancePort_a | K | | Free potasium ions K+ |
| Chemical.Interfaces.SubstancePort_a | Glucose | | Free glucose molecule |
| Chemical.Interfaces.SubstancePort_a | Urea | | Free urea molecule |
| Chemical.Interfaces.SubstancePort_a | Cl | | Free chloride ion Cl- |
| Chemical.Interfaces.SubstancePort_a | Ca | | Free calcium ion Ca++ |
| Chemical.Interfaces.SubstancePort_a | Mg | | Free magnesium ion Mg++ |
| Chemical.Interfaces.SubstancePort_a | H2O | | Free H2O molecule |
