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This document specifies requirements for reference lenses for the calibration and verification of focimeters that are used for the measurement of spectacle form lenses, e.g. those complying with ISO 8598-1. It also gives a method for the determination of the back vertex power of the reference lenses. NOTE            It is accepted that other reference lenses can also be used with powers within…

Le présent document spécifie les méthodes d’essai pour l'évaluation des matériaux de restauration dentaire, matériaux de scellement, produits de comblement des fissures et matériaux de collage ou de scellement orthodontiques qui sont revendiqués par leurs fabricants respectifs pour exercer des effets «antibactériens». NOTE       Les matériaux de coiffage pulpaire (par exemple, formulations à…

This document specifies test methods for the evaluation of dental restorative materials, luting materials, fissure sealants and orthodontic bonding or luting materials that are claimed by their respective manufacturers to exert “antibacterial” effects. NOTE       Materials for pulp capping (e.g. calcium hydroxide formulations), endodontic filling materials, dental implants or implant systems,…

This document specifies requirements and recommendations for the design and execution of an interlaboratory comparison for validation of new standardized analytical methods in the field of water analysis, e.g. the number of participating laboratories and time schedules. This document is based on ISO 5725-1 and ISO 5725-2. NOTE            The scope of other standards in the field of…

This document addresses a blockchain-based traceability platform for cold chain food which realizes continuous and effective tracking of the cold chain food. The following aspects are included: —    it explores issues and considerations for cold chain food traceability, especially during the epidemic outbreak; —    it describes scenarios and stakeholders for effective tracking of the cold chain…

These international guidelines are based on the assumption that monitoring of environmental components (atmosphere, water, soil and biota) as well as food quality is performed to ensure the protection of human health[5][7][8][9][10][11][12]. The guidelines constitute a basis for the setting of national regulations, standards, and inter alia, for monitoring air, water and food in support of public…

This document establishes the classification, by quality, of raw parquet elements intended for the manufacture of strips for different types of parquet floorings of the following wood species: —    oak (Quercus sp.), —    beech (Fagus sylvatica sp.), —    birch (Betula sp.), —    maple (Acer sp.), —    fir (Abies sp.), and —    spruce (Picea sp.).

This document specifies the manufacturing characteristics, the dimensions, the tolerances, the methods for quality control and delivery conditions, the measurement and the marking of hardwood and softwood raw parquet elements. NOTE       The classification of raw parquet elements according to specific characteristics and wood defects are specified, for the different species of wood, in the…

This document establishes the classification, by quality, of non-assembled solid parquet strips of the following wood species: —    oak (Quercus sp.), —    hickory (Carya sp.), —    beech (Fagus sylvatica sp.), —    birch (Betula sp.), —    maple (Acer sp.), —    fir (Abies sp.), —    spruce (Picea sp.), and —    maritime pine (Pinus pinaster sp.).

Le présent document établit le classement, par qualité, de lames de parquet massif non assemblées des essences suivantes: —    chêne (Quercus sp.), —    hickory (Carya sp.), —    hêtre (Fagus sylvatica sp.), —    bouleau (Betula sp.), —    érable (Acer sp.), —    sapin (Abies sp.), —    épicéa (Picea sp.), —    pin maritime (Pinus pinaster sp.).