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AS 4969.8-2008

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Analysis of acid sulfate soil - Dried samples - Methods of test Determination of hydrochloric acid extractable sulfur (SHCl), calcium (CaHCl) and magnesium (MgHCl) (Reconfirmed 2018)
Available format(s)

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

Language(s)

English

Published date

06-30-2008

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This Standard specifies a method for the determination of hydrochloric acid extractable sulfur (SHCl), calcium (CaHCl) and magnesium (MgHCl) in acid sulfate soil following extraction with 4 M hydrochloric acid.

This Standard specifies a method for the determination of hydrochloric acid extractable sulfur (SHCl), calcium (CaHCl) and magnesium (MgHCl) in acid sulfate soil following extraction with 4 M hydrochloric acid.NOTES:1 This extraction procedure recovers soluble and exchangeable sulfate, sulfate from gypsum, the relatively insoluble iron and aluminium hydroxy-sulfate compounds (e.g. jarosite, natrojarosite, basaluminite) as well as some sulfur from organic matter. It also recovers soluble and exchangeable calcium and magnesium, calcium from gypsum, as well as calcium and magnesium from oxides, hydroxides and carbonates of these two elements.2 The SHCl, CaHCl and MgHCl measurements can be used in combination with KCl extractable sulfur (SKCl), calcium (CaKCl) and magnesium (MgKCl) (AS 4969.4) to determine the net acid-soluble sulfur (SNAS), calcium (CaNAS) and magnesium (MgNAS) (AS 4969.11).

Committee
EV-009
DocumentType
Standard
ISBN
0 7337 8736 3
Pages
6
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

First published as AS 4969.8-2008.Reconfirmed 2018. First published as AS 4969.8-2008.

AS 4969.4-2008 Analysis of acid sulfate soil - Dried samples - Methods of test Determination of 1 M potassium chloride extractable sulfur (SKCl), calcium (CaKCl) and magnesium (MgKCl)
AS/NZS 2243.8:2006 Safety in laboratories - Fume cupboards
AS 4969.0-2008 Analysis of acid sulfate soil - Dried samples - Methods of test Introduction and definitions, symbols and acronyms
AS/NZS 2243.2:2006 Safety in laboratories Chemical aspects
AS/NZS 2243.10:2004 Safety in laboratories Storage of chemicals
AS 4969.1-2008 Analysis of acid sulfate soil - Dried samples - Methods of test Pre-treatment of samples
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/NZS 2243.1:2005 Safety in laboratories Planning and operational aspects

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)

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