ONORM EN ISO 21068-2 : 2009
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 2: DETERMINATION OF LOSS ON IGNITION, TOTAL CARBON, FREE CARBON AND SILICON CARBIDE, TOTAL AND FREE SILICA AND TOTAL AND FREE SILICON
Published date
12-01-2013
Superseded date
24-10-2024
Superseded by
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ÖNORM EN ISO 21068-2 legt die Analysenverfahren für die Bestimmung der Massenänderung durch Wärmebehandlung bei festgelegten Temperaturen sowie Verfahren für die Bestimmung des Gehaltes an Gesamtkohlenstoff, freiem Kohlenstoff und Siliciumcarbid, des Gehaltes an gesamtem und freiem Silicium (IV)-oxid sowie an gesamtem und freiem Silicium von Siliciumcarbid enthaltenden Rohstoffen und feuerfesten Erzeugnissen fest.
| DocumentType |
Standard
|
| PublisherName |
Osterreichisches Normungsinstitut/Austrian Standards
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| Status |
Superseded
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| SupersededBy |
| Standards | Relationship |
| ISO 21068-2:2008 | Identical |
| EN ISO 21068-2:2008 | Identical |
| 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 10060:1993 | Dense, shaped refractory products — Test methods for products containing carbon |
| ISO 21068-1:2008 | Chemical analysis of silicon-carbide-containing raw materials and refractory products — Part 1: General information and sample preparation |
| ISO 5725-2:1994 | Accuracy (trueness and precision) of measurement methods and results — Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method |
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