
Technical Data Book: Chapter 13—Diffusivity, First Edition
STANDARD published on 1.5.2026
Designation standards: API TRTDB-13
Publication date standards: 1.5.2026
The number of pages: 36
Approximate weight : 108 g (0.24 lbs)
Country: American technical standard
Category: Technical standards API
This technical report provides methods for calculating the diffusivities for binary gas, binary liquid, multicomponent gas, multicomponent liquid, and gas-liquid systems that are common in refinery applications. Empirical equations, figures, and tables are presented. An estimate of the accuracy and range of application for each method is presented. See more