Table 1.

Responses of CA acidified canine blood to added solutions.

Added solution	Conc. (mM)	pH	PCO2 (mm Hg)	[${\text{HCO}}_3^{-}$] (mM)	[Na+] (mM)	[K+] (mM)	[Cl−] (mM)
None	0	6.90	87	15.8	148	4.2	98
Na2CO3	150	7.57	43	37.1	164	3.4	103
NaOH	150	7.47	23	15.3	147	3.6	98
Na2CO3 + NaOH (1:1)	75 + 75 = 150 tot	7.47	36	24.0	156	3.5	100
HCl	150	6.62	113	10.8	128	3.8	94
(1 part solution: 9 parts CA-K9-3)
None	0	7.00	73	16.6	150	3.3	101
NaOH   NaCl	150 75	7.54	21	16.4	155	2.9	105
Tris soln	150	7.50	27	19.5	135	2.9	98
Tris soln   NaCl	150 75	7.50	26	19.1	144	2.9	104
Tris buffer	150	7.18	41	14.4	134	3.0	100

(1 part solution: 9 parts CA-K9-2): see Figure 3 for plot of added strong base solutions. Two-component solutions are designated by a non-indented first component and an indented second component in the column under Added solution.