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This document specifies general requirements and performance criteria for the determination of purity of organic compounds through the application of solution state proton (1H) quantitative nuclear magnetic resonance (qNMR) spectroscopy using an internal standard method. This document is applicable to bioactive compounds in functional foods, natural toxins, food additives and pesticides. This…

This document specifies: a)    A multi-pass filtration performance test under cyclic flow conditions with continuous contaminant injection for hydraulic fluid power filter elements. b)    A procedure for determining the contaminant capacity, particulate removal and differential pressure characteristics. c)    A test currently applicable to hydraulic fluid power filter elements that exhibit an…

The scope of ISO 16659 series is to provide different test methods aiming at assessing the efficiency of radioactive iodine traps in ventilation systems of nuclear facilities. The ISO 16659 series deals with iodine traps containing a solid sorbent — mainly activated and impregnated charcoal, the most common solid iodine sorbents used in the ventilation systems of nuclear facilities — as well as…

Le présent document spécifie les méthodes pour la mesure du débit des rivières et des canaux artificiels à régime permanent ou à variation lente, au moyen de certains types de canaux jaugeurs à profondeur critique (également appelés «canaux jaugeurs à ressaut»). Un grand nombre de canaux jaugeurs a été mis au point, mais le présent document ne considère que les canaux jaugeurs à profondeur…

This document specifies a method for testing the corrosivity of disinfectants against metals and alloys (for example, apparatus, reagents and materials, test specimens, pre-cleaning of test specimens, conditioning, procedure, test report) under total immersion conditions. This document is applicable to the determination of corrosion of disinfectants to metal materials under total immersion. Other…

The document specifies a method for undertaking uniaxial constant load testing of the susceptibility of a metal, or an alloy, to stress corrosion cracking (SCC) in high-purity water environments at high temperature (above the boiling point of water at normal pressures) and pressure. The test method is particularly applicable to simulated primary water environments of light water reactors (LWRs).…

This document specifies methods for the measurement of flow in rivers and artificial channels under steady or slowly varying flow conditions, using certain types of critical-depth flumes (also known as “standing-wave flumes”). A wide variety of flumes has been developed, but only those critical-depth flumes which have received general acceptance after adequate research and field testing, and…

Le présent document décrit une méthode de détermination objective de l’audibilité des tonalités dans le bruit environnemental. Le présent document est destiné à améliorer la méthode habituelle d’évaluation sur la base de l’impression auditive, en particulier en cas d’absence d’accord sur le degré d’audibilité des tonalités. La méthode décrite peut être utilisée lorsque la fréquence de la tonalité…

IEC 62127-3:2022 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 62127-3:2022 specifies relevant hydrophone characteristics. This document is applicable to: - hydrophones…

IEC 62127-3:2022 specifies relevant hydrophone characteristics. This document is applicable to: - hydrophones employing piezoelectric sensor elements, designed to measure the pulsed and continuous wave ultrasonic fields generated by ultrasonic equipment; - hydrophones used for measurements made in water; - hydrophones with or without an associated pre-amplifier. IEC 62127-3:2022 cancels and…