NF B49-401*NF ISO 16169:2018 Preparation of silicon carbide and similar materials for analysis by ISO 12677 X-ray fluorescence (XRF) - Fused cast-bead method
2018NF B49-401*NF ISO 16169:2018 Preparation of silicon carbide and similar materials for analysis by ISO 12677 X-ray fluorescence (XRF) - Fused cast-bead method