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ISO 4285:1977

Phosphoric acid for industrial use — Guide to sampling techniques

Dec 1, 1977

General information

90.93     Nov 29, 2023

ISO

ISO/TC 47

International Standard

71.060.30  

French   English  

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Scope

Contains guides concerning the procedure to be followed and the precautions to be observed for the taking, preparation and storage of samples with the view of assess their quality. Deals with the means of delivery, containers for taking samples, technical means for mixing and heating systems. Details the sampling of thermal-process and wet-process acids from large containers and mobile tanks and the safety measures. Has also been approved by the IUPAC.

Life cycle

NOW

PUBLISHED
ISO 4285:1977
90.93 Standard confirmed
Nov 29, 2023