ÖNORM - Austrian standards

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)

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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)

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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 21079-1:2008)

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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 21079-2:2008)

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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 21079-3:2008)

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Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 1: Size range from 20 nm to 500 nm (ISO 21083-1:2018)

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Textiles - Method for determination of alkylphenols (AP) (ISO 21084:2019)

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Health Informatics - Harmonized data types for information interchange (ISO 21090:2011)

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Health informatics - Directory services for healthcare providers, subjects of care and other entities (ISO 21091:2013)

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Chemicals for the leather tanning industry - Determination of the total content of certain bisphenols (ISO 21135:2024)

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