AS 1289.4.2.1:2020 PDF
The objective of this standard is to determine water-soluble sulfate content of natural soil and the sulfate content of the groundwater.
AS 1289.4.2.1:2020 PDF
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Methods of testing soils for engineering purposes, Method 4.2.1: Soil chemical tests – Determination of the sulfate content of a natural soil and the sulfate content of the groundwater – Normal method
Standards Australia , 03/27/2020
