ASTM D 4148 : 1982 : R2012
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Standard Test Method for Analysis of Phytoplankton in Surface Water by the Sedgwick-Rafter Method (Withdrawn 2020)
Hardcopy , PDF
05-13-2020
English
09-01-2012
CONTAINED IN VOL. 11.06, 2017 Defines determining the density and taxonomic classification of phytoplankton.
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