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ISO 3114:1977

Unplasticized polyvinyl chloride (PVC) pipes for potable water supply — Extractability of lead and tin — Test method

Mar 1, 1977

General information

90.93     Jan 12, 2023

ISO

ISO/TC 138/SC 5

International Standard

91.140.60     93.025     23.040.20  

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Scope

Specifies a method of test for the determination of the extractability of certain stabilizers of unplasticized PVC in order to verify that the extracted quantities do not exceed a certain concentration. Tubular test pieces are prewashed during a fixed time. After this they are extracted with acidified (CO2) water in three steps and the quantity of the extracted stabilizers (lead salts or organic derivates to tin) shall be determined. The analytic methods are not specified.

Life cycle

NOW

PUBLISHED
ISO 3114:1977
90.93 Standard confirmed
Jan 12, 2023