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Overview ISO 4973:2023 - Cosmetics - Microbiology - Quality control of culture media and diluents used in cosmetics standards defines the minimum requirements for verifying the quality and performanc…
Overview ISO 4974:2023 - "Soil quality - Guidance on soil temperature measurement" provides practical guidance on selecting and applying soil temperature measurement methods. The standard describes f…
Overview ISO 497:1973 - Guide to the choice of series of preferred numbers and of series containing more rounded values - is a companion to ISO 17 that gives practical rules for selecting series of p…
Overview - ISO 4975:2022 compressed air quality for railway braking systems ISO 4975:2022 specifies the quality classes of compressed air used by pneumatic apparatus and systems on rail vehicles, wit…
Overview ISO 4978:2018 - Steel sheet and strip for welded gas cylinders defines the material and delivery requirements for hot-rolled steel sheet and strip (thickness up to 12 mm) intended for welded…
Overview ISO 4979:2023 - "Water quality - Aquatic toxicity test based on root re-growth in Lemna minor" specifies a rapid, standardized bioassay to measure inhibition of root re-growth in duckweed (L…
1 Scope This document defines the quality classes of compressed air produced by air generation and treatment units (AGTUs) and/or used in pneumatic apparatus and systems of rail vehicles. This docume…
1 Scope This document specifies the characteristics of hot-rolled steel sheet and strip with a thickness up to 12 mm inclusive of the non-alloyed steels listed in Table 1, which are intended for weld…
1 Scope This document outlines methodologies for soil temperature measurement and provides guidance on the selection of a measurement method depending on measurement purposes. It also gives guidance…