Normativa ISO UNE gratis

Fecha de publicación: 01/10/2021 Standard Specification for Bronze Castings for Steam Locomotive Wearing Parts ASTM B66 – 15(2021)

Fecha de publicación: 01/10/2021 Standard Test Method for Determination of Phosphorus in Iron Ores by Phosphomolybdate Coprecipitation and Nitric Acid Titrimetry ASTM E278 – 21

Fecha de publicación: 01/10/2021 Standard Test Methods for Determination of Iron in Iron Ores and Related Materials by Dichromate Titrimetry ASTM E246 – 21

Fecha de publicación: 01/10/2021 Standard Test Method for Determination of Silica in Manganese Ores, Iron Ores, and Related Materials by Gravimetry ASTM E247 – 21

Fecha de publicación: 01/10/2021 Standard Specification for Extruded Polytetrafluoroethylene (PTFE) Rod, Heavy Walled Tubing and Basic Shapes ASTM D1710 – 15(2021)

Fecha de publicación: 01/10/2021 Standard Specification for Ethanol Fuel Blends for Flexible-Fuel Automotive Spark-Ignition Engines ASTM D5798 – 21

Fecha de publicación: 01/10/2021 Standard Test Method for Particulate Contamination in Middle Distillate Fuels by Laboratory Filtration ASTM D6217 – 21

Fecha de publicación: 01/10/2021 Standard Test Method for Determination of Aluminum in Iron Ores by Flame Atomic Absorption Spectrometry ASTM E507 – 21

Fecha de publicación: 01/10/2021 Standard Test Method for Particle Size or Screen Analysis at 4.75 mm (No.4) Sieve and Coarser for Metal-Bearing Ores and Related Materials ASTM E389 – 21

Fecha de publicación: 01/10/2021 Standard Practice for Sampling and Sample Preparation of Iron Ores and Related Materials for Determination of Chemical Composition and Physical Properties ASTM E877 – 21