
UNI EN 16277 : 2012
Current
The latest, up-to-date edition.

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)
23-08-2012
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 6497:2002) |
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 |
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