Determinación de plata en aleaciones de plata para joyería. Método volumétrico (potenciométrico) utilizando bromuro de potasio. (ISO 11427:1993 + Corrigendum Técnico 1:1994).
Caracterización de residuos. Determinación de bifenilos policlorados (PCB) seleccionados en residuos sólidos por cromatografía gaseosa con detección por captura de electrones o espectrometría de masas.
Soil quality -- Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution -- Part 1: Manual method (ISO/TS 14256-1:2003)
Quality management systems. Particular requirements for the application of ISO 9001:2000 for automotive production and relevant service part organizations.
Quality management systems. Particular requirements for the application of ISO 9001:2000 for automotive production and relevant service part organizations
Quality management systems. Particular requirements for the application of ISO 9001:2008 for automotive production and relevant service part organizations.