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Diagrams for the chemical and petrochemical industry — Part 2: Graphical symbols
90.93 Standard confirmed
Raw optical glass — Resistance to attack by aqueous alkaline solutions at 50 degrees C — Test method and classification
90.92 Standard to be revised
Surface active agents — Determination of stability in hard water
90.20 Standard under periodical review
Oilseed residues — Simultaneous determination of oil and water contents — Method using pulsed nuclear magnetic resonance spectroscopy
90.93 Standard confirmed
Water quality — Preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium
90.93 Standard confirmed
Refractory products — Methods of test for ceramic fibre products
90.93 Standard confirmed
Photography — Processing chemicals — Specifications for anhydrous sodium thiosulfate and sodium thiosulfate pentahydrate
90.93 Standard confirmed
Rubber — Identification of antidegradants by gas chromatography/mass spectrometry
90.93 Standard confirmed
Surface active agents — Determination of apparent density of pastes on filling
90.20 Standard under periodical review
Plastics — Methodology for assessing polymer photoageing by FTIR and UV/visible spectroscopy
90.93 Standard confirmed
Fasteners — Hexagon socket countersunk head screws with reduced loadability
60.60 Standard published
Dimensions of accessories for cutter arbors with parallel key and tenon drive
90.60 Close of review
Screw and washer assemblies made of steel with plain washers — Washer hardness classes 200 HV and 300 HV
90.93 Standard confirmed
Nuclear energy — Light water reactors — Decay heat power in non-recycled nuclear fuels
60.60 Standard published
English