Table I.

Intracellular Cl⁻ Dependence of the Alkalinizations When Astrocytes Are Exposed to Multiple CO₂/HCO₃ ⁻ Pulses in the Absence of External Cl⁻

Experiment		0 Cl−-incubation		Exposures to CO2/HCO3 −		ΣΔpHi		Σ[Cl−]i required
		min						mM
921207b		30*		3		0.51		4.7
930729c		12.5		8		0.91		12.3
940111a		16		3‡		0.74		8.8

^*0 Cl⁻-incubation solution contained 1 mM isoguvacine.  

^‡ Solutions contained 10 μM ethylisopropylamiloride (EIPA).