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Standards Under Review

Flanges and their joints – Circular flanges for pipes, valves, fittings and accessories PN designated – Part 1: Steel flanges - NL EN 1092-1:2017

Jul 27, 2017

Flanges and their joints – Circular flanges for pipes, valves, fittings and accessories, PN designated – Part 2: Cast iron flanges - NL EN 1092-2: 2017

Jul 27, 2017

Flanges and their joints – Circular flanges for pipes, Valves fittings and accessories, PN designated – Part 3: Copper alloy flanges - NL EN 1092-3:2017

Jul 27, 2017

Flanges and their joints – Circular flanges for pipes, valves, fittings and accessories, PN designated – Part 4: Aluminium alloy flanges - NL EN 1092-4: 2017

Jul 27, 2017

Liquorice extracts (Glycyrrhiza glabra L.) – Determination of glycyrrhizic acid content – Method using high-performance liquid chromatography - NL ISO 11023:2017

Jul 24, 2017

Essential oils – General guidance on chromatographic profiles – Part 1: Preparation of chromatographic profiles for presentation in standards - NL ISO 11024-1:2017

Jul 24, 2017