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ASTM D 3731 : 1987 : R2012

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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Superseded date

12-09-2020

Language(s)

English

Published date

01-09-2012

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.

1.1These 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:

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

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

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

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

1.3This 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
D 19
DocumentType
Standard Practice
Pages
5
ProductNote
Reconfirmed 2012
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM E 1218 : 2004 : R2012 Standard Guide for Conducting Static Toxicity Tests with Microalgae (Withdrawn 2021)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E 1841 : 2004 : R2012 Standard Guide for Conducting Renewal Phytotoxicity Tests With Freshwater Emergent Macrophytes (Withdrawn 2021)

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£62.61
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