81.060.01

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  1. NS-EN ISO 14719:2011▹

    Chemical analysis of refractory material glass and glazes — Determination of Fe2+ and Fe3+ by the spectral photometric method with 1,10-phenanthroline (ISO 14719:2011)

    standard by Standards Norway NS-EN ISO, 03/01/2012.

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  2. HISTORICAL

    NS-EN 1748-2:1997▹

    This document has been replaced. View the most recent version.

    Glass in building — Special basic products — Part 2: Glass ceramics

    standard by Standards Norway NS-EN, 12/10/1997.

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    Historical Editions: NS-EN 1748-2-1:2004

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  3. NS-EN 1748-2-2:2004▹

    Glass in building — Special basic products — Glass ceramics — Part 2-2: Evaluation of conformity/Product standard

    standard by Standards Norway NS-EN, 12/07/2004.

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  4. NS-EN ISO 21078-1:2008▹

    Determination of boron (III) oxide in refractory products — Part 1: Determination of total boron (III) oxide in oxidic materials for ceramics, glass and glazes (ISO 21078-1:2008)

    standard by Standards Norway NS-EN ISO, 05/01/2008.

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  5. NS-EN ISO 21078-2:2007▹

    Determination of boron(III) oxide in refractory products — Part 2: Acid extraction method for the determination of boron(III) oxide in binder components (ISO 21078-2:2006)

    standard by Standards Norway NS-EN ISO, 02/01/2008.

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