title: Origin and early history of Die Methode des Eichzusatzes or The Method of Standard Addition with primary emphasis on its origin, early design, dissemination, and usage of terms.
authors.affiliation: Analytical Chemistry Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA. william.kelly@nist.gov
authors.forename: W Robert
authors.initials: WR
authors.lastname: Kelly
authors.forename: Kenneth W
authors.initials: KW
authors.lastname: Pratt
authors.forename: William F
authors.initials: WF
authors.lastname: Guthrie
authors.forename: Keith R
authors.initials: KR
authors.lastname: Martin