BS EN ISO 10523:2010 Water quality. Determination of pH has been changed from BS 6068-2.50:1995 Water quality - Physical, chemical and biochemical methods - Determination of pH.
BS EN ISO 10523:2010 Water quality. Determination of pH was changed to KS M ISO 3673-2:2013 Plastics — Epoxy resins-Part 2: Preparation of specimens and determination of properties.
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