Dewar Instructions

$15.00

Instructions for Use

Application of the Dewar Self-Heating Test to measure completion of composting.

5th REVISED EDITION – 2009

The Dewar Flask test was first introduced as a compost stability test in 1988 in Germany and implemented as means to standardize determining heat stability.

This 2009 Updated Manual Contains:

1. Revised instructions for preparing samples and operating the Dewar flask.

2. A special test to determine if Dewar flasks are functioning correctly.

3. Reference list for more information on use and interpretation of Dewar flask tests.