• There are no items in your cart

UNI EN 12821 : 2009

Current

Current

The latest, up-to-date edition.

FOODSTUFFS - DETERMINATION OF VITAMIN D BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY - MEASUREMENT OF CHOLECALCIFEROL (D3) OR ERGOCALCIFEROL (D2)

Published date

18-06-2009

Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Procedure
7 Calculation
8 Precision
9 Test report
Annex A (informative) - Examples of suitable HPLC
        systems
Annex B (informative) - Examples of suitable extraction
        and saponification conditions
Annex C (normative) - Examples of suitable semi-preparative
        and analytical HPLC chromatograms
Annex D (informative) - Precision data
Annex E (informative) - Additional cleanup step for the
        determination of vitamin D with use of preparative
        TLC, column chromatography and or SPE
Bibliography

Describes a method for the determination of vitamin D[3] (cholecalciferol) or vitamin D[2] (ergocalciferol) in foodstuffs by high performance liquid chromatography (HPLC).

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

Standards Relationship
DIN EN 12821:2009-08 Identical
I.S. EN 12821:2009 Identical
NEN EN 12821 : 2009 Identical
UNE-EN 12821:2009 Identical
EN 12821:2009 Identical
BS EN 12821:2009 Identical
NF EN 12821 : 2009 Identical
NBN EN 12821 : 2009 Identical
NS EN 12821 : 2009 Identical
SN EN 12821 : 2009 Identical

ISO 5725:1986 Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests
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)

View more information
Sorry this product is not available in your region.

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.