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Oil of elemi (Canarium luzonicum Miq.)

Equipment for crop protection — Sprayer nozzles — Colour coding for identification

Diagrams for the chemical and petrochemical industry — Part 1: Specification of diagrams

Diagrams for the chemical and petrochemical industry — Part 2: Graphical symbols

Raw optical glass — Resistance to attack by aqueous alkaline solutions at 50 degrees C — Test method and classification

Industrial plate screens — Specifications and test methods

Industrial valves - Metallic butterfly valves

Oilseed residues — Simultaneous determination of oil and water contents — Method using pulsed nuclear magnetic resonance spectroscopy

Water quality — Preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium

Refractory products — Methods of test for ceramic fibre products

Photography — Processing chemicals — Specifications for anhydrous sodium thiosulfate and sodium thiosulfate pentahydrate

Dentistry — Central suction source equipment

Rubber — Identification of antidegradants by gas chromatography/mass spectrometry

Surface active agents — Determination of stability in hard water

Plastics — Methodology for assessing polymer photoageing by FTIR and UV/visible spectroscopy

Fasteners — Hexagon socket countersunk head screws with reduced loadability

Dimensions of accessories for cutter arbors with parallel key and tenon drive

Screw and washer assemblies made of steel with plain washers — Washer hardness classes 200 HV and 300 HV

Nuclear energy — Light water reactors — Decay heat power in non-recycled nuclear fuels

Containment enclosures — Part 1: Design principles