ASTM-D4137 Historical Revision Information
Standard Practice for Preserving Phytoplankton Samples

ASTM-D4137 - 1982 R04 EDITION - SUPERSEDED
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Standard Practice for Preserving Phytoplankton Samples (Withdrawn 2020)
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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.

Significance and Use

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

Keywords

ICS Number Code 07.100.20 (Microbiology of water)

To find similar documents by ASTM Volume:

11.02 (Water (II))

11.05 (Pesticides and Alternative Control Agents; Environmental Assessment; Hazardous Substances and Oil Spill Response)

11.06 (Biological Effects and Environmental Fate; Biotechnology)

To find similar documents by classification:

07.100.20 (Microbiology of water Examination of biological properties of water, see 13.060.70)

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Document Number

ASTM-D4137-82(2004)

Revision Level

1982 R04 EDITION

Status

Superseded

Modification Type

Reapproval

Publication Date

Jan. 1, 2004

Document Type

Practice

Page Count

2 pages

Committee Number

E47.01