Table 4.

Analyses of D-βHB (mmol/L; g/L), sodium (Na; mmol/L; g/L), calcium (Ca; mmol/L; g/L), potassium (K; mmol/L; g/L), and pH in βHB acid solutions produced with ion exchange chromatography (IEX) or oxalic acid precipitation (OAP).

Method	D-βHB (mmol/L)	D-βHB (g/L)	Na (mmol/L)	Na (g/L)	Ca (mmol/L)	Ca (g/L)	K (mmol/L)	K (g/L)	pH
IEX	342	35.3	193	4.44	65	2.61	43	1.68	4
OAP	495	51.0	72	1.66	15	0.60	71	2.78	4