Standard Withdrawn, No replacement   Last Updated: May 14, 2020 Track Document
ASTM D4137-82(2012)

Standard Practice for Preserving Phytoplankton Samples (Withdrawn 2020)

Standard Practice for Preserving Phytoplankton Samples (Withdrawn 2020) D4137-82R12 ASTM|D4137-82R12|en-US Standard Practice for Preserving Phytoplankton Samples (Withdrawn 2020) Standard new BOS Vol. 11.02 Committee D19
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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.

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.

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