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Análisis de gas. Preparación de mezclas de gas para calibración. Parte 1: Método gravimétrico para mezclas de clase I Norma española UNE-EN ISO 6142-1. Febrero 2016 /

Material type: Text Text; Format: print regular print ; Literary form: Not fiction ; Audience: General; Publication details: Madrid: AENOR, 2016Other title: Gas analysis. preparation of calibration gas mixtures. Part 1: Gravimetric method for Class I mixtures.Availability: Items available for loan: Biblioteca OEFA (1)Call number: 363.738 7 UNE-10.

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Monitoreo de calidad ambiental. Calidad del aire. Método normalizado para la determinación del mercurio gaseoso total. Norma Técnica Peruana 900.068 2016 /

by Perú. Instituto Nacional de Calidad.

Edition: 1Material type: Text Text; Format: print regular print ; Literary form: Not fiction ; Audience: General; Publication details: Lima: INACAL, 2016Other title: Environmental quality monitoring. Air quality. Standard method for the determination of total gaseous mercury.Availability: Items available for loan: Biblioteca OEFA (1)Call number: 363.739 2 NTP040.

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