International Standard
ISO 3114:1977
Unplasticized polyvinyl chloride (PVC) pipes for potable water supply — Extractability of lead and tin — Test method
Reference number
ISO 3114:1977
ISO 3114:1977
Edición 1
1977-03
1977-03
© ISO 2024
International Standard
p
ISO 3114:1977
8271
No disponible en español
Publicado
(Edición 1, 1977)
Esta norma se revisó y confirmó por última vez en 2023.
Por lo tanto, esta versión es la actual.
Resumen
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.
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