Name: UNI EN 16159 : 2012
Brand: UNI

ANIMAL FEEDING STUFFS - DETERMINATION OF SELENIUM BY HYDRIDE GENERATION ATOMIC ABSORPTION SPECTROMETRY (HGAAS) AFTER MICROWAVE DIGESTION (DIGESTION WITH 65 % NITRIC ACID AND 30 % HYDROGEN PEROXIDE)

Published date

23-08-2012

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

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
        selenium by hydride generation atomic
        absorption spectrometry (HGAAS) after
        microwave digestion (digestion with 65%
        nitric acid and 30% hydrogen peroxide
Annex C (informative) - Alternative digestion procedure
        with the same digestion efficiency: Acid
        digestion with a mixture of 65% nitric acid
        and 70% perchloric acid (7:3 by volume)
        at atmospheric pressure
Bibliography

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

Committee	CT 3
DocumentType	Standard
PublisherName	Ente Nazionale Italiano di Unificazione (UNI)
Status	Current

Standards	Relationship
EN 16159:2012	Identical

VDLUFA BAND III-7 : 2007
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
VDLUFA BAND VII-3 : 2008
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 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