Name: UNI EN 16277 : 2012
Brand: UNI

ANIMAL FEEDING STUFFS - DETERMINATION OF MERCURY BY COLD-VAPOUR ATOMIC ABSORPTION SPECTROMETRY (CVAAS) AFTER MICROWAVE PRESSURE DIGESTION (EXTRACTION 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
6 Procedure
7 Calculation
8 Precision
9 Test report
Annex A (informative) - Results of the interlaboratory
        tests
Annex B (informative) - Flowchart - Determination of
        mercury by CVAAS after microwave digestion
Annex C (informative) - Alternative digestion procedure
        with the same extraction efficiency: Acid
        digestion with a mixture of 65% nitric
        acid and 70% perchloric acid (7:3 v/v) at
        atmospheric pressure
Annex D (informative) - Alternative digestion procedure
        with the same extraction efficiency: Acid
        digestion with a mixture of 65% nitric acid,
        37% hydrochloric acid and 30% hydrogen
peroxide under reflux
Bibliography

Specifies a method for the determination of mercury in animal feeding stuffs by cold-vapour atomic absorption spectrometry (CVAAS) after microwave pressure digestion.

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

Standards	Relationship
EN 16277 : 2012	Identical

EN 1483:2007	Water quality - Determination of mercury - Method using atomic absorption spectrometry
ISO 6497:2002	Animal feeding stuffs Sampling
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 ISO 6498:2012	Animal feeding stuffs - Guidelines for sample preparation (ISO 6498:2012)
EN 13806:2002	Foodstuffs - Determination of trace elements - Determination of mercury by cold-vapour atomic absorption spectrometry (CVAAS) 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 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