ASTM D3466-06 (2018) pdf free

04-12-2021 comment

ASTM D3466-06 (2018) pdf free.Standard Test Method for lgnition Temperature of Granular Activated Carbon.
This test method covers the determination of referenceignition temperature of granular activated carbon in flowingair. This test method provides a basis for comparing theignition characteristics of different carbons, or the change inignition characteristics of the same carbon after a period ofservice.
The ignition temperature,as determined by this testmethod,cannot be interpreted as the probable ignition tem-perature of the same carbon under the operating conditions ofa specific application unless those conditions are essentially thesame as those in this test method.2 If it is desired to determinethe ignition temperature of the carbon under a specific set ofoperating conditions, the test may be modified to simulate suchconditions,taking into consideration the following variables:(l) air flow rate; (2) moisture content of the carbon; (3) beddepth; (4) relative humidity of the air stream; (5) heating rate;(6) contaminants (for example,hydrocarbons, etc.) in the airstream; and (7) contaminants that may have been adsorbed bythe carbon under prior service conditions.
The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.
This standard does not purport to address all of thesafety concerns,if any,associated with its use. It is theresponsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.Specific precautionary statements are given in Section.This international standard was developed in accordance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.
A sample of carbon is exposed to a heated air stream, thetemperature of which is slowly increased until the carbonignites. The temperature of the carbon bed and of the airentering the bed are recorded, and ignition is defined as thepoint at which the carbon temperature suddenly rises above thetemperature of the air entering the bed.ASTM D3466 pdf download.

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