This Standard provides a procedure for pre-treating acid sulfate soil following sampling, prior to their analysis as dried sample using appropriate methods of test. The procedure includes the handling of samples before delivery to the laboratory, and the drying, grinding and storage of samples. The Standard also provides a procedure for archiving a sample after analysis.
Table of contents
Header
About this publication
Preface
1 Scope
2 Referenced document
3 Definitions
4 Principle
5 Apparatus
5.1 General
5.2 Balance
5.3 Drying oven
5.4 Drying trays
5.5 Grinding apparatus 1
5.6 Grinding apparatus 2
5.7 Hammer or mallet
5.8 Mortar and pestle
5.9 Sieve
5.10 Vacuum sealing apparatus
6 Procedure
6.1 Sample pre-treatment in the field
7 Sample pre-treatment in the laboratory
7.1 General
7.2 Drying
7.2.1 General
7.2.2 Oven-drying
7.3 Removal of >2 mm size shell and stone
7.3.1 Preliminary separation
7.3.2 Soil fractionation and initial grinding
7.4 Final grinding of the laboratory sample
7.5 Storage and archiving of samples
7.5.1 Storage of samples
7.5.2 Archiving samples
8 Calculation of extraneous material
9 Pre-treatment report
Cited references in this standard
Content history
AS 4969.1-2008 REC:2018
DR 06350
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