(1) A resin sample [resin amount] 1.0 g and acetone [acetone amount] 99 g are mixed to prepare a 1.0% acetone solution.
(2) Titrate water [water amount] while stirring 10 g of 1.0% acetone solution [acetone amount]. The end point is when the cloudiness does not disappear after 30 seconds.
(3) Titrate n-hexane [hexane amount] while stirring 10 g of 1.0% acetone solution [acetone amount]. The end point is when the cloudiness does not disappear after 30 seconds.
(4) Substitute each value and click the [Calculate] button to calculate the SP value.
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