ASTM E147-61(2022)

ASTM E147-61(2022) Standard Specification for Apparatus for Microdetermination of Nitrogen by Kjeldahl Method

standard by ASTM International, 09/01/2022

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1.1 This specification covers digestion and distillation apparatus used for the microdetermination of nitrogen by the Kjeldahl method, and modifications thereof at atmospheric pressure. Note 1: This specification is based on those originally developed by the Committee on Microchemical Apparatus, Division of Analytical Chemistry, American Chemical Society.2 1.2 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.