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Plastics. Poly(phenylene ether) (PPE) moulding and extrusion materials. Preparation of test specimen and determination of properties. Original standard BS EN ISO 20557-2-2018 in PDF full version. Additional info + preview on request

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Plastics. Poly(phenylene sulfide) (PPS) moulding and extrusion materials. Designation system and basis for specifications. Original standard BS EN ISO 20558-1-2019 in PDF full version. Additional info + preview on request

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Plastics. Poly(phenylene sulfide) (PPS) moulding and extrusion materials. Preparation of test specimen and determination of properties. Original standard BS EN ISO 20558-2-2019 in PDF full version. Additional info + preview on request

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Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method). Apparatus, reagents, dissolution and determination of gravimetric silica. Original standard BS EN ISO 20565-1-2008 (2010) in PDF full version. Additional info + preview on request

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Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method). Wet chemical analysis. Original standard BS EN ISO 20565-2-2008 (2010) in PDF full version. Additional info + preview on request

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Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method). Flame atomic absorption spectrometry (FAAS) and inductively coupled plasma atomic emission spectrometry (ICP-AES). Original standard BS EN ISO 20565-3-2008 (2010) in PDF full version. Additional info + preview on request

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