IUPAC Green Book[3] in that, in terms of its definition [4], pH = âlg a. H. it involves a single ion quantity, the activity of the hydrogen ion, which is immeasurable by any ther-. modynamically valid method and requires a convention for its evaluation.
He began developing SpongeBob SquarePants into a television series in 1996 upon the cancellation of Rocko's Modern Life, and turned to Tom Kenny, who had worked with him on that series, to voice the title character.
Tom Heintjes gathered insights and reminiscences from some of the people behind SpongeBob SquarePants to illuminate the making of a cultural phenomenon. Itâs SpongeBobâs ocean; we just swim in it. When the first SpongeBob SquarePants episode (âHelp Wantedâ) aired on May 1, 1999, it did so with little fanfare.