Relationship between poststorage pH and storage volume, platelet concentration, total platelet count, and poststorage pCO₂, pO₂, and glucose for Haemonetics, Spectra, or Trima collected platelets. (A) Poststorage pH vs storage volume. (B) Poststorage pH vs platelet concentration. (C) Poststorage pH vs total platelet count. (D) Poststorage pH vs poststorage pCO₂. (E) Poststorage pH vs poststorage pO₂. (F) Poststorage pH vs poststorage glucose concentration. ●, data for Haemonetics platelets in CLX bag; ○, in CPP bags; ▪, for Trima platelets in Terumo BCT bags; □, in Haemonetics CLX bags; ▲, for Spectra platelets in Terumo BCT bags; and △, in Haemonetics CLX bags.