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1 Scope This International Standard specifies the rules for comparison of the measured values with the tolerance limits for surface texture parameters defined in ISO 4287, ISO 12085, ISO 13565‑2 and…
Overview ISO 4281:1977 specifies a titrimetric method for the determination of free acidity and total hexafluorosilicate content in sodium hexafluorosilicate intended for industrial use. It applies t…
Overview ISO 4280:1977 specifies a barium sulphate gravimetric method for determining the sulphate content of cryolite (natural and artificial) and aluminium fluoride intended for industrial use. The…
Overview ISO 4285:1977 - "Phosphoric acid for industrial use - Guide to sampling techniques" provides practical guidance for taking, preparing and storing representative samples of industrial phospho…
Overview ISO 4289:2023 - "High velocity oxygen fuel (HVOF) cermet coatings for metallurgical roll components - Guidance with requirements" provides practical recommendations and mandatory requirement…