Name: UNI EN ISO 20565-1 : 2009
Brand: UNI

CHEMICAL ANALYSIS OF CHROME-BEARING REFRACTORY PRODUCTS AND CHROME-BEARING RAW MATERIALS (ALTERNATIVE TO THE X-RAY FLUORESCENCE METHOD) - PART 1: APPARATUS, REAGENTS, DISSOLUTION AND DETERMINATION OF GRAVIMETRIC SILICA

Published date

02-04-2009

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Apparatus
5 Reagents
   5.1 Stock reagents
   5.2 Indicators
   5.3 Standard solutions
6 Sample preparation
7 Basic procedure
8 Determination of loss on ignition (gravimetric)
9 Decomposition of the sample and preparation of solutions
   used in the analysis
   9.1 General decomposition techniques
   9.2 Dissolution methods by fusion
   9.3 Dissolution methods by hydrofluoric acid attack
   9.4 Separation methods by ion-exchange
10 Calculation and expression of test results
11 Examination and adoption of test results
12 Test report
Annex A (informative) - References for stock solutions and
        blank solutions in ISO 20565-1:2008

Defines methods for the chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials, using traditional ("wet") methods, ICP-AES spectrometry and FAAS spectrometry. It also describes apparatus, reagents, dissolution and determination of gravimetric silica.

Committee	CT 700
DocumentType	Standard
PublisherName	Ente Nazionale Italiano di Unificazione (UNI)
Status	Current

Standards	Relationship
ISO 20565-1:2008	Identical
EN ISO 20565-1 : 2008	Identical

ISO 6353-1:1982	Reagents for chemical analysis — Part 1: General test methods
ISO 6353-3:1987	Reagents for chemical analysis — Part 3: Specifications — Second series
ISO 26845:2008	Chemical analysis of refractories General requirements for wet chemical analysis, atomic absorption spectrometry (AAS) and inductively coupled plasma atomic emission spectrometry (ICP-AES) methods