This Gulf standard 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.
GSO ISO 3114:1997 history
1997GSO ISO 3114:1997 UNPLASTICIZED POLYVINYL CHLORIDE (uPVC) PIPES FOR POTABLE WATER SUPPLY – EXTRACTABILITY OF LEAD AND TIN – TEST METHOD