NS EN ISO 1264 : 1ED 1997
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PLASTICS - HOMOPOLYMER AND COPOLYMER RESINS OF VINYL CHLORIDE - DETERMINATION OF PH OF AQUEOUS EXTRACT
12-01-2013
Defines a method for determining the pH of aqueous extract from homopolymer and copolymer resins of vinyl chloride using a pH meter provided with a glass electrode. Not intended for estimation of the electrical qualities of the resin, but may be of interest in the selection of additives, particularly stabilizers, for use in preparing compounds. ALSO NUMBERED AS BS 2782 PT4 MTD454C:1997
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