EN 451-1:2017
Method of testing fly ash - Part 1: Determination of free calcium oxide content

Standard No.

EN 451-1:2017

Release Date

2017

Published By

European Committee for Standardization (CEN)

Latest

EN 451-1:2017

Replace

FprEN 451-1-2016

Scope

This European Standard specifies the procedure for the determination of free calcium oxide content in fly ash. The European Standard specifies the reference procedure. If other methods are used it needs to be shown that they give results equivalent to those obtained by the reference method.

EN 451-1:2017 Referenced Document

• EN 450-1:2012 Fly ash for concrete - Part 1: Definition, specifications and conformity criteria
• ISO 3534-1:2006 Statistics - Vocabulary and symbols - Part 1: General statistical terms and terms used in probability
• ISO 565:1990 Test sieves; metal wire cloth, perforated metal plate and electroformed sheet; nominal sizes of openings

EN 451-1:2017 history

• 2017 EN 451-1:2017 Method of testing fly ash - Part 1: Determination of free calcium oxide content
• 2003 EN 451-1:2003 Method of testing fly ash - Part 1: Determination of free calcium oxide content
• 1995 EN 451-1:1995 Method of Testing Fly Ash - Part 1: Determination of Free Calcium Oxide Content
• 1994 EN 451-1:1994 Method of Testing Fly Ash - Part 1: Determination of Free Calcium Oxide Content