“…Thirty-two choline derivatives are separable when a strong mixture of acetic and formic acids is used as the electrolyte (1015). A salicylate buffer with added orthoboric acid gives superior results in fractionating adenosine tri-, di-, and monophosphates, glycerophosphate, propanediol phosphate, acetol phosphate, and 2-phospholactic acid (723). Determination of serum phosphatides is useful in diagnosing rheumatism, pneumonia, malignancy, and diseases of the kidneys, liver, and nervous system (1060).…”