Animal feeding stuffs. Determination of arsenic by hydride generation atomic absorption spectrometry (HGAAS) after microwave pressure digestion (digestion with 65 % nitric acid and 30 % hydrogen peroxide)

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

29-02-2012

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus and equipment
6 Procedure
7 Calculation
8 Precision
9 Test report
Annex A (informative) - Results of the inter-laboratory test
Annex B (informative) - Flowchart - Determination of arsenic
        by hydride generation atomic absorption spectrometry
        (HGAAS) after microwave pressure digestion
        (digestion with 65% nitric acid and 30% hydrogen peroxide
Annex C (informative) - Alternative digestion procedure with the
        same digestion efficiency to ensure complete mineralization
        of all organic and inorganic arsenic species for HGAAS
        measurement: dry ashing with magnesium oxide and magnesium
        nitrate as ashing reagents
Bibliography

Describes a method for the determination of total arsenic in animal feeding stuffs by hydride generation atomic absorption spectrometry (HGAAS) after microwave pressure digestion.

This European Standard specifies a method for the determination of total arsenic in animal feeding stuffs by hydride generation atomic absorption spectrometry (HGAAS) after microwave pressure digestion. The limit of quantification is 0,5 μg/l of the test solution. Using a test portion of 0,5 g, a volume of the test solution of 25 ml and an aliquot of 5 ml for pre-reduction the limit of quantification is 0,125 mg/kg in the feed material.

NOTE For feed materials containing organic arsenic species from compounds of marine origin (i.e. arsenobetaine and tetramethylarsine oxide) a higher digestion temperature of the microwave system up to 300 °C may be necessary in order to enable the hydridisation of these arsenic compounds and in order to determine all different kinds of arsenic species in the corresponding feeding stuffs. Alternatively, the digestion procedure of Annex C can be used if the microwave system does not reach higher temperatures up to 300 °C to ensure complete mineralization for HGAAS determination.

Committee	AW/10
DevelopmentNote	Supersedes 10/30199728 DC. (02/2012)
DocumentType	Standard
Pages	20
PublisherName	British Standards Institution
Status	Current
Supersedes	10/30199728 DC : 0

Standards	Relationship
EN 16206:2012	Identical

EN 14627:2005	Foodstuffs - Determination of trace elements - Determination of total arsenic and selenium by hydride generation atomic absorption spectrometry (HGAAS) after pressure digestion
ISO 6497:2002	Animal feeding stuffs Sampling
PREN ISO 6498 : DRAFT 2009	ANIMAL FEEDING STUFFS - GUIDELINES FOR SAMPLE PREPARATION
EN 15550:2017	Animal feeding stuffs: Methods of sampling and analysis - Determination of cadmium and lead by graphite furnace atomic absorption spectrometry (GF-AAS) after pressure digestion
EN 13804:2013	Foodstuffs - Determination of elements and their chemical species - General considerations and specific requirements
EN 13805:2014	Foodstuffs - Determination of trace elements - Pressure digestion
EN ISO 6497 : 2005	ANIMAL FEEDING STUFFS - SAMPLING
ISO 3696:1987	Water for analytical laboratory use — Specification and test methods
EN ISO 3696:1995	Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)
EN 14546:2005	Foodstuffs - Determination of trace elements - Determination of total arsenic by hydride generation atomic absorption spectrometry (HGAAS) after dry ashing
EN 15621:2017	Animal feeding stuffs: Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, sulphur, iron, zinc, copper, manganese and cobalt after pressure digestion by ICP-AES

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BS EN 16206:2012

Current

Table of Contents

Abstract

Scope

General Product Information

International Equivalents

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