ASTM D 3731 : 1987 : R1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Practices for Measurement of Chlorophyll Content of Algae in Surface Waters
Hardcopy , PDF
11-11-2014
English
10-10-1998
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.
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