ISO 21078-1:2008

Действует

Determination of boron (III) oxide in refractory products -- Part 1: Determination of total boron (III) oxide in oxidic materials for ceramics, glass and glazes — 22 стр.

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BS EN ISO 1927-3:2012

Действует

Monolithic (unshaped) refractory products. Characterization as received — 18 стр.

BS ISO 16169:2018

Действует

Preparation of silicon carbide and similar materials for analysis by ISO 12677 X-ray fluorescence (XRF). Fused cast-bead method — 26 стр.

ÖNORM EN ISO 1927-3:2013-05

Действует

Monolithic (unshaped) refractory products - Part 3: Characterization as received (ISO 1927-3:2012)