UNI EN ISO 21068-1 : 2008
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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CHEMICAL ANALYSIS OF SILICON-CARBIDE CONTAINING RAW MATERIALS AND REFRACTORY PRODUCTS - PART 1: GENERAL INFORMATION AND SAMPLE PREPARATION
Superseded date
28-08-2024
Superseded by
Published date
04-12-2008
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Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Sampling and preparation of the test sample
4.1 General
4.2 Sample pretreatment
5 Preliminary analyses
6 Expression of results
7 Test report
Bibliography
Provides definitions and specifies techniques for the preparation of samples for the chemical analysis of silicon-carbide containing raw materials and refractory products.
| Committee |
CT 700
|
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| ISO 21068-1:2008 | Identical |
| EN ISO 21068-1:2008 | Identical |
| ISO 5725-1:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions |
| ISO 10081-1:2003 | Classification of dense shaped refractory products — Part 1: Alumina-silica |
| ISO 21587-1:2007 | Chemical analysis of aluminosilicate refractory products (alternative to the X-ray fluorescence method) Part 1: Apparatus, reagents, dissolution and gravimetric silica |
| ISO 21079-3:2008 | Chemical analysis of refractories containing alumina, zirconia, and silica — Refractories containing 5 percent to 45 percent of ZrO2 (alternative to the X-ray fluorescence method) — Part 3: Flame atomic absorption spectrophotometry (FAAS) and inductively coupled plasma emission spectrometry (ICP -AES) |
| ISO 21587-3:2007 | Chemical analysis of aluminosilicate refractory products (alternative to the X-ray fluorescence method) Part 3: Inductively coupled plasma and atomic absorption spectrometry methods |
| ISO 5022:1979 | Shaped refractory products — Sampling and acceptance testing |
| ISO 12677:2011 | Chemical analysis of refractory products by X-ray fluorescence (XRF) Fused cast-bead method |
| EN 12698-1:2007 | Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods |
| ISO 9286:1997 | Abrasive grains and crude Chemical analysis of silicon carbide |
| ISO 21079-2:2008 | Chemical analysis of refractories containing alumina, zirconia, and silica — Refractories containing 5 percent to 45 percent of ZrO2 (alternative to the X-ray fluorescence method) — Part 2: Wet chemical analysis |
| ISO 10058-3:2008 | Chemical analysis of magnesite and dolomite refractory products (alternative to the X-ray fluorescence method) — Part 3: Flame atomic absorption spectrophotometry (FAAS) and inductively coupled plasma atomic emission spectrometry (ICP-AES) |
| ISO 11648-2:2001 | Statistical aspects of sampling from bulk materials — Part 2: Sampling of particulate materials |
| ISO 21587-2:2007 | Chemical analysis of aluminosilicate refractory products (alternative to the X-ray fluorescence method) Part 2: Wet chemical analysis |
| ISO 10081-4:2014 | Classification of dense shaped refractory products — Part 4: Special products |
| ISO 20565-2:2008 | Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) — Part 2: Wet chemical analysis |
| ISO 10058-2:2008 | Chemical analysis of magnesite and dolomite refractory products (alternative to the X-ray fluorescence method) — Part 2: Wet chemical analysis |
| ISO 20565-1:2008 | 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 |
| ISO 20565-3:2008 | Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) — Part 3: Flame atomic absorption spectrometry (FAAS) and inductively coupled plasma atomic emission spectrometry (ICP-AES) |
| ISO 31-0:1992 | Quantities and units Part 0: General principles |
| ISO 10081-3:2003 | Classification of dense shaped refractory products — Part 3: Basic products containing from 7 % to 50 % residual carbon |
| ISO 1927:1984 | Prepared unshaped refractory materials (dense and insulating) Classification |
| ISO 10060:1993 | Dense, shaped refractory products — Test methods for products containing carbon |
| ISO 21068-2:2008 | Chemical analysis of silicon-carbide-containing raw materials and refractory products — Part 2: Determination of loss on ignition, total carbon, free carbon and silicon carbide, total and free silica and total and free silicon |
| EN 1094-4:1995 | Insulating refractory products - Part 4: Determination of bulk density and true porosity |
| EN 12698-2:2007 | Chemical analysis of nitride bonded silicon carbide refractories - Part 2: XRD methods |
| ISO 10081-2:2003 | Classification of dense shaped refractory products — Part 2: Basic products containing less than 7 % residual carbon |
| 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 |
| ISO 8656-1:1988 | Refractory products — Sampling of raw materials and unshaped products — Part 1: Sampling scheme |
| ISO 21079-1:2008 | Chemical analysis of refractories containing alumina, zirconia and silica — Refractories containing 5 percent to 45 percent of ZrO2 (alternative to the X-ray fluorescence method) — Part 1: Apparatus, reagents and dissolution |
| ISO 10058-1:2008 | Chemical analysis of magnesite and dolomite refractory products (alternative to the X-ray fluorescence method) — Part 1: Apparatus, reagents, dissolution and determination of gravimetric silica |
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