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AS 4969.12-2009

AS 4969.12-2009

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Current

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Analysis of acid sulfate soil - Dried samples - Methods of test Complete suspension peroxide oxidation combined acidity and sulfur (SPOCAS) method (Reconfirmed 2018)

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English

Published date

03-18-2009

Publisher

Standards Australia

Preview

This Standard specifies a method for the determination of pH in a 1 M KCl soil suspension, and, where required, titratable actual acidity (TAA) in acid sulfate soil. Following this, potassium chloride extractable sulfur (SKCl), calcium (CaKCl) and magnesium (MgKCl) are determined.

Committee
EV-009
DocumentType
Standard
ISBN
0 7337 9039 9
Pages
21
ProductNote
Reconfirmed 25/05/2018.This standard has been reconfirmed in Australia in 2018 and remains current in New Zealand. Reconfirmation Notice 25/05/2018
PublisherName
Standards Australia
Status
Current
Supersedes

This Standard specifies a method for the determination of pH in a 1 M KCl soil suspension, and, where required, titratable actual acidity (TAA) in acid sulfate soil. Following this, potassium chloride extractable sulfur (SKCl), calcium (CaKCl) and magnesium (MgKCl) are determined. On a separate test portion, peroxide pH (pHOX), titratable peroxide acidity (TPA) and excess acid neutralizing capacity (ANCE) are determined following digestion with 30% hydrogen peroxide. Following this, peroxide sulfur (SP), calcium (CaP) and magnesium (MgP) are determined. On samples where jarosite is present, or pHKCl < 4.5, residual acid soluble sulfur (SRAS) is determined on the soil residue remaining after peroxide digestion.

First published as AS 4969.12-2009.Reconfirmed 2018. Sampling and Analysis of Soil and Biota First published as AS 4969.12-2009.

AS 1006-1995 Solid-stem general purpose thermometers
AS 2167-2005 Graduated straight pipettes
AS 2165-1996 Laboratory glassware - Burettes
AS 4969.1-2008 Analysis of acid sulfate soil - Dried samples - Methods of test Pre-treatment of samples
AS 2162.1-1996 Verification and use of volumetric apparatus General - Volumetric glassware
AS 4969.0-2008 Analysis of acid sulfate soil - Dried samples - Methods of test Introduction and definitions, symbols and acronyms
AS/NZS 2243.10:2004 Safety in laboratories Storage of chemicals
AS/NZS 2243.1:2005 Safety in laboratories Planning and operational aspects
AS 2166-2002 Laboratory glassware - One-mark pipettes
AS/NZS 2243.2:2006 Safety in laboratories Chemical aspects
AS 2162.2-1998 Verification and use of volumetric apparatus - Guide to the use of piston-operated volumetric apparatus (POVA)
AS 4969.11-2008 Analysis of acid sulfate soil - Dried samples - Methods of test Calculation of net acid-soluble sulfur (SNAS), calcium (CaNAS) and magnesium (MgNAS)
AS 2164-2003 Laboratory glassware - One-mark volumetric flasks
AS/NZS 2243.8:2006 Safety in laboratories - Fume cupboards

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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