AS 4479.2-1997
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Analysis of soils Extraction of heavy metals and metalloids from soil by aqua regia - Hotplate digestion method
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
04-11-2021
English
05-12-1997
Important note : Users cannot be edited or removed once added to your Multi user PDF.Specifies a method for the extraction of heavy metals and metalloids from soil using aqua regia. Analytical techniques appropriate to the analyte content in the soil are used for the subsequent determination of heavy metals and metalloids in the resulting solution.
| Committee |
CH-028
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| DocumentType |
Standard
|
| ISBN |
0 7337 1623 7
|
| Pages |
7
|
| ProductNote |
Pending Revision indicates that as a result of the Aged Standards review process, the document needs updating. If no project proposal, meeting the quality criteria, is received within the 12 month timeframe, the document shall be withdrawn.
|
| PublisherName |
Standards Australia
|
| Status |
Withdrawn
|
| Supersedes |
This Standard specifies a method for the extraction of heavy metals from soil using aqua regia. Analytical techniques appropriate to the analyte content in the soils are used for the subsequent determinations of heavy metals and metalloids in the resulting solution.Sediments, sludges (containing less than 20% organic carbon) and other silicate materials (e.g. fill material and brick) may be extracted using this method.NOTES:1 The method produces a solution for determination of aqua regia extractable metals. The solution is not suitable for speciation studies, nor do the values obtained necessarily represent the total or bio-available heavy metal content of the soils.2 No acid digestion procedure necessarily results in complete extraction of the analyte, therefore different acid digestion procedures may yield different results.Users of this Standard should carry out a programme of analysis using reference materials to assure themselves that the method given here is appropriate for their needs. This method is suitable for use in conjunction with ANZECC/NHMRC Guidelines*, provided the appropriate method validation details are given.Other methods use different acid combinations such as nitric/perchloric and reverse aqua regia.3 AS 4479.1 specifies requirements for pretreatment of soil samples for analysis.4 This procedure is to be performed only by an analyst familiar with the operational procedures associated with acid digestion.
First published as AS 4479.2-1997.
| AS 4479.1-1997 | Analysis of soil Pretreatment of potentially contaminated soil samples for heavy metal and metalloid analysis |
| AS/NZS 2243.1:1997 | Safety in laboratories General |
| AS 2243.8-1992 | Safety in laboratories Fume cupboards |
| AS/NZS 2243.3:1995 | Safety in laboratories Microbiology |
| AS 1289.2.1.1-1992 | Methods of testing soils for engineering purposes Soil moisture content tests - Determination of the moisture content of a soil - Oven drying method (standard method) |
| AS 2162.1-1996 | Verification and use of volumetric apparatus General - Volumetric glassware |
| AS 2850-1986 | Chemical analysis - Interlaboratory test programs - For determining precision of analytical method(s) - Guide to the planning and conduct |
| AS 2164-1995 | Laboratory glassware - One-mark volumetric flasks |
| AS/NZS 2243.2:1997 | Safety in laboratories - Chemical aspects |
| AS 4479.3-1999 | Analysis of soils Determination of metals in aqua regia extracts of soil by flam atomic absorption spectrometry (Reconfirmed 2018) |
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