ASTM E2315 - 16

    Standard Guide for Assessment of Antimicrobial Activity Using a Time-Kill Procedure

    Active Standard ASTM E2315 | Developed by Subcommittee: E35.15

    Book of Standards Volume: 11.08

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    Significance and Use

    5.1 This procedure may be used to assess the in vitro reduction of a microbial population of test organisms after exposure to a test material.

    1. Scope

    1.1 This guide covers an example of a method that measures the changes in a population of aerobic microorganisms within a specified sampling time when antimicrobial test materials are present. Several options for organism selection and growth, inoculum preparation, sampling times and temperatures are provided. When the technique is performed as a specific test method, it is critical that the above mentioned variables have been standardized. Antimicrobial activity of specific materials, as measured by this technique, may vary significantly depending on variables selected. It is important to understand the limitations of in vitro tests, especially comparisons of results from tests performed with different parameters. As an example, test results of microorganisms requiring growth supplements or special incubation conditions may not be directly comparable to organisms evaluated without those stated conditions.

    1.2 Knowledge of microbiological techniques is required for this procedure.

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

    1.4 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 requirements prior to use.

    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D1193 Specification for Reagent Water

    E1054 Test Methods for Evaluation of Inactivators of Antimicrobial Agents

    E2783 Test Method for Assessment of Antimicrobial Activity for Water Miscible Compounds Using a Time-Kill Procedure

    ICS Code

    ICS Number Code 07.100.99 (Other standards related to microbiology)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/E2315-16

    Citation Format

    ASTM E2315-16, Standard Guide for Assessment of Antimicrobial Activity Using a Time-Kill Procedure, ASTM International, West Conshohocken, PA, 2016,

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