AOAC Official Method 992.15 is the industry standard for determining , including pet foods, using the Dumas combustion method . It provides a faster, safer, and highly automated alternative to the traditional Kjeldahl method. Core Overview of AOAC 992.15
Libraries can request a physical copy of the Official Methods of Analysis book (19th or 21st edition), but PDF distribution via inter-library loan is generally not permitted. aoac 992.15 pdf
Websites claiming to offer a free often provide outdated versions, incomplete scans, or malware. Using obsolete methods can violate ISO 17025 requirements for "current valid edition." Always verify the edition year (most current is from the 21st edition, 2019). AOAC Official Method 992