UNI EN ISO 20565-1 : 2009
Current
The latest, up-to-date edition.
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
02-04-2009
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 |
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