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ASTM D3731-87(1998)

Historical Reaffirmation

Standard Practices for Measurement of Chlorophyll Content of Algae in Surface Waters

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1.1 These practices include the extraction and the measurement of chlorophyll a, b, and c, and pheophytin a in freshwater and marine plankton and periphyton. Three practices are provided as follows:

1.1.1 Spectrophotometric, trichromatic practice for measuring chlorophyll a, b, and c.

1.1.2 Spectrophotometric, monochromatic practice for measuring chlorophyll a corrected for pheophytin a; and for measuring pheophytin a.

1.1.3 Fluorometric practice for measuring chlorophyll a corrected for pheophytin a; and for measuring pheophytin a.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.

1.3 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 . Specific precautionary statements are given in Section 7.


SDO ASTM: ASTM International
Document Number D3731
Publication Date Oct. 10, 1998
Language en - English
Page Count 4
Revision Level 87(1998)
Supercedes
Committee E47.01
Publish Date Document Id Type View
Nov. 1, 2024 D3731-24 Revision
June 1, 2020 D3731-20 Revision
Sept. 1, 2012 D3731-87R12 Reaffirmation
April 1, 2004 D3731-87R04 Reaffirmation
Oct. 10, 1998 D3731-87R98 Reaffirmation