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ASTM D 3731 : 1987 : R1998

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Practices for Measurement of Chlorophyll Content of Algae in Surface Waters
Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Language(s)

English

Published date

10-10-1998

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 11.02, 2018 Describes the extraction and the measurement of chlorophyll a, b, and c, and pheophytin a in freshwater and marine plankton and periphyton.

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.

Committee
E 47
DocumentType
Standard Practice
Pages
4
ProductNote
Reconfirmed 1998
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

ASTM E 645 : 2018 Standard Practice for Evaluation of Microbicides Used in Cooling Water Systems
ASTM E 1218 : 2004 : R2012 Standard Guide for Conducting Static Toxicity Tests with Microalgae (Withdrawn 2021)
ASTM E 1841 : 2004 : R2012 Standard Guide for Conducting Renewal Phytotoxicity Tests With Freshwater Emergent Macrophytes (Withdrawn 2021)

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