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Industrial automation systems — Manufacturing Message Specification — Part 1: Service definition

Overview ISO 9506-1:2003 - part of the Manufacturing Message Specification (MMS) - defines the service model used for application‑layer communication in industrial automation. Aligned with the OSI co…

Industrial automation systems — Manufacturing Message Specification — Part 2: Protocol specification

Overview ISO 9506-2:2003 - part of the Manufacturing Message Specification (MMS) family - is the protocol specification that defines how MMS messages are encoded and exchanged at the Application Laye…

Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganism…

Overview EN ISO 9509:2006 - "Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms" - specifies a laboratory method to assess short‑term inhib…

Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganism…

Overview EN ISO 9509:2006 - "Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms" - specifies a laboratory method to assess short‑term inhib…

Communication networks and systems for power utility automation - Part 8-1: Specific communication service ma…

Overview EN 61850-8-1:2011/A1:2020 (IEC 61850-8-1 Amendment A1) is a normative amendment to the IEC 61850 series defining the Specific Communication Service Mapping (SCSM) for power utility automatio…

Communication networks and systems for power utility automation - Part 8-1: Specific communication service ma…

Overview EN 61850-8-1:2011/A1:2020 (IEC 61850-8-1 Amendment A1) is a normative amendment to the IEC 61850 series defining the Specific Communication Service Mapping (SCSM) for power utility automatio…

Communication networks and systems for power utility automation - Part 8-1: Specific Communication Service Ma…

Overview SIST EN 61850-8-1:2011 (equivalent to IEC 61850-8-1:2011) defines the Specific Communication Service Mapping (SCSM) that maps the IEC 61850 Abstract Communication Service Interface (ACSI) to…

Communication networks and systems for power utility automation - Part 8-1: Specific communication service ma…

Overview EN 61850-8-1:2011 (equivalent to IEC 61850-8-1:2011) defines the Specific Communication Service Mapping (SCSM) that maps the IEC 61850 Abstract Communication Service Interface (ACSI) to MMS…

Communication networks and systems in substations - Part 8-1: Specific Communication Service Mapping (SCSM) -…

Overview IEC 61850-8-1:2004 defines the Specific Communication Service Mapping (SCSM) for communication networks and systems in substations, mapping the Abstract Communication Service Interface (ACSI…

Industrial automation systems — Manufacturing Message Specification — Part 2: Protocol specification

Industrial automation systems — Manufacturing Message Specification — Part 1: Service definition

Metallurgical-grade fluorspar — Determination of antimony content — Solvent extraction atomic absorption spec…

Water quality — Method for assessing the inhibition of nitrification of activated sludge micro-organisms by c…

Water quality. Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms

1 Scope This International Standard specifies a method for assessing the short-term inhibitory effect of waters, waste waters or test substances on nitrifying bacteria in activated sludge . The inhib…

Communication networks and systems for power utility automation - Part 8-1: Specific communication service ma…

Overview IEC 61850-8-1:2011 is an international standard established by the International Electrotechnical Commission (IEC) that defines specific communication service mappings (SCSM) for power utili…

Metallurgical-grade fluorspar — Determination of total sulfur content — Iodometric method after combustion

All grades of fluorspar — Determination of arsenic content — Silver diethyldithiocarbamate spectrometric meth…

Cereals — Sampling (as grain)

Iron ores — Determination of total iron content — Titanium(III) chloride reduction methods

Metallurgical-grade fluorspar — Determination of silica content — Reduced-molybdosilicate spectrometric method

Metallurgical-grade fluorspar — Determination of available fluorine content — Modified Willard-Winter method

Iron ores — Determination of total iron content — Silver reduction titrimetric method

Metallurgical-grade fluorspar — Determination of silica content — Reduced-molybdosilicate spectrometric method

Metallurgical-grade fluorspar — Determination of antimony content — Solvent extraction atomic absorption spec…

Water quality — Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms

Overview ISO 9509:2006 - Water quality: Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms specifies a laboratory method to determine short‑term inhibitory…