ASTM D4137 - 82(2012)

    Standard Practice for Preserving Phytoplankton Samples

    Active Standard ASTM D4137 | Developed by Subcommittee: D19.24

    Book of Standards Volume: 11.02


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    Significance and Use

    4.1 Formaldehyde solution can be used as a permanent preservative of algae. Lugol's solution can be used to preserve algae for up to one year. Lugol's is a more suitable preservative for delicate algae such as naked flagellates.

    1. Scope

    1.1 This practice describes the proper procedure for preserving phytoplankton samples with either formaldehyde or Lugol's solution

    1.2 This standard does not purport to address all of the safety problems, 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.


    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


    ICS Code

    ICS Number Code 07.100.20 (Microbiology of water)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/D4137-82R12

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