Menu

0

ENV 955-4:1997

Chemical analysis of refractory products - Part 4: Products containing silica and/or alumina (Analysis by Flame Atomic Absorption Spectrometry (FAAS) and Inductively Coupled Plasma Atomic Emission Spectrography (ICP)

Publication date:   Dec 22, 2003

General information

99.60 Withdrawal effective   Sep 26, 2007

CEN

CEN/TC 187 Refractory products and materials

Pre Standard

81.080   Refractories

Buying

  Withdrawn

PDF - €23.81

  English  



Buy

Scope

This European Prestandard applies to refractory materials in the alumino- silicate familiy. It is intended for the determination of the following constituents within the following range: SiO2: 40 to 93 %; Al2O3: 1 to 60 %; Fe2O3: 0 to 10 %; TiO2, CaO, MgO, K2O, Na2O: 0,01 to 5 %. Note 1: Though Fe2O3 contents higher than 5 % are quite unusual in refractory materials, the field of application of this standard extends to 10 % Fe2O3. Note 2: Using FAAS, K andNa are determined in emission mode.

Life cycle

NOW

WITHDRAWN
ENV 955-4:1997
99.60 Withdrawal effective
Sep 26, 2007

REVISED BY

PUBLISHED
EN ISO 26845:2008

PUBLISHED
EN ISO 21587-1:2007

PUBLISHED
EN ISO 21587-3:2007