BS ISO 20280:2007
Current
The latest, up-to-date edition.
Soil quality. Determination of arsenic, antimony and selenium in aqua regia soil extracts with electrothermal or hydride-generation atomic absorption spectrometry
30-05-2008
Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Procedure
6.1 Test portion
6.2 Aqua regia extraction for arsenic, antimony
and selenium
6.3 Blank test solution
7 Method A - Electrothermal atomic absorption
spectrometry: Preparation of calibration
solutions and measurement
7.1 General
7.2 Calibration solutions for arsenic
7.3 Calibration solutions for antimony
7.4 Calibration solutions for selenium
7.5 Calibration and determination with ETAAS
measurement
8 Method B - Hydride-generation atomic absorption
spectrometry: Preparation of calibration solutions and
measurement
8.1 Pre-reduction and calibration for the determination
of arsenic
8.2 Pre-reduction and calibration for the determination
of antimony
8.3 Pre-reduction and calibration for the determination
of selenium
8.4 Measurement of calibration and test solutions by
hydride-generation atomic absorption spectrometry
9 Plotting the calibration graph
10 Calculation
10.1 General
10.2 Calculation according to the method of standard
additions
11 Expression of results
12 Interferences
13 Precision
14 Test report
Bibliography
Describes methods for the determination of arsenic, antimony and selenium, in an aqua regia extract of soil obtained in accordance with ISO 11466, by electrothermal or hydride-generation atomic absorption spectrometry.
| Committee |
EH/4
|
| DevelopmentNote |
Supersedes 04/30031742 DC. (06/2008)
|
| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard specifies methods for the determination of arsenic, antimony and selenium, in an aqua regia extract of soil obtained in accordance with ISO11466, by electrothermal or hydride-generation atomic absorption spectrometry.
| Standards | Relationship |
| ISO 20280:2007 | Identical |
| 10/30205348 DC : 0 | BS 10175 - INVESTIGATION OF POTENTIALLY CONTAMINATED SITES - CODE OF PRACTICE |
| BS 10175(2011) : 2011 | INVESTIGATION OF POTENTIALLY CONTAMINATED SITES - CODE OF PRACTICE |
| ISO 11466:1995 | Soil quality — Extraction of trace elements soluble in aqua regia |
| ISO 1042:1998 | Laboratory glassware — One-mark volumetric flasks |
| NEN NVN 7323 : 1997 | LEACHING CHARACTERISTICS OF SOLID EARTHY AND STONY BUILDING AND WASTE MATERIALS - ANALYSIS OF INORGANIC COMPONENTS - DETERMINATION OF THE CONTENT OF ARSENIC, ANTIMONY AND SELENIC BY ATOMIC ABSORPTION SPECTROMETRY (HYDRIDE GENERATION TECHNIQUE) |
| ISO 648:2008 | Laboratory glassware — Single-volume pipettes |
| ISO 11464:2006 | Soil quality Pretreatment of samples for physico-chemical analysis |
| ISO 5725-2:1994 | Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
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