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ASTM D7385-13

ASTM D7385-13

Standard Guide for Estimating Carbon Saturation by Temperature Rise upon Immersion

2016-12-27 /Active
Significance and Use:

5.1  It is often useful to estimate the degree of saturation, and hence the expected remaining service life, of activated carbon that has been in use for some time. This guide is applicable when such information must be obtained fairly rapidly under field conditions without access to optimal analytical instruments.3


1.1 This guide covers the measurement of the temperature rise resulting from the heat of immersion when a known mass of a specified organic liquid is added to a sample of activated carbon. If the carbon has been in use as an adsorbent and may therefore be partially or fully exhausted, its degree of saturation may be estimated by comparing its temperature rise with that of an unused sample of the same activated carbon.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

activated carbon; carbon saturation ; carbon adsorptive capacity; spent activated carbon
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