Metallic materials. Charpy pendulum impact test. Preparation and characterization of Charpy V-notch test pieces for indirect verification of pendulum impact machines— 28 стр.
In vitro diagnostic medical devices. Measurement of quantities in samples of biological origin. Requirements for certified reference materials and the content of supporting documentation— 26 стр.
BS EN 14726. Aluminium and aluminium alloys. Determination of the chemical composition of aluminium and aluminium alloys by spark optical emission spectrometry— 30 стр.