ISO/TR 7821:1982Withdrawn

Tobacco — Preparation and constitution of identical samples from the same lot (Code of practice, for collaborative studies for evaluating methods of test)

Tabac — Préparation et constitution d'échantillons identiques à partir d'un même lot (Code pratique pour la conduite d'essais comparatifs portant sur la qualité des méthodes d'essai)

This edition has been replaced by ISO/TS 7821:2005.

Abstract / scope

Provides a practical framework for operations of dividing a lot (not necessarily homogeneous) of tobacco or tobacco products into several similar samples intended for collaborative studies either within or between laboratories. Covers tobacco as a test medium in the forms of powder, cut tobacco, cigarettes, and leaves or strips.

Life cycle

Replaced by

ISO/TS 7821:2005PublishedTobacco and tobacco products — Preparation and constitution of identical samples from the same lot for collaborative studies for the evaluation of test methodsTechnical Specification · Published 17 Feb 2005 · ISO/TC 126/SC 1