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Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon. XRD methods. Original standard BS EN ISO 21068-4-2024 in PDF full version. Additional info + preview on request

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Determination of boron (III) oxide in refractory products. Determination of total boron (III) oxide in oxidic materials for ceramics, glass and glazes. Original standard BS EN ISO 21078-1-2008 in PDF full version. Additional info + preview on request

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Original standard BS EN ISO 21078-2-2007 in PDF full version. Additional info + preview on request

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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). Apparatus, reagents and dissolution. Original standard BS EN ISO 21079-1-2008 in PDF full version. Additional info + preview on request

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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). Wet chemical analysis. Original standard BS EN ISO 21079-2-2008 in PDF full version. Additional info + preview on request

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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). Flame atomic absorption spectrophotometry (FAAS) and inductively coupled plasma emission spectrometry (ICP-AES). Original standard BS EN ISO 21079-3-2008 in PDF full version. Additional info + preview on request

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