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Potassium Acid Phthalate (N/10 solution) to check strength of basic solutions in Acid and pH testing | Wine making Supplies
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Potassium Acid Phthalate (N/10 solution): 4 oz (118 mL)

Model number: KAPH-22
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Potassium Acid Phthalate, N/10 solution, 4 oz bottle (118 mL). A primary standard used to check the strength of Sodium Hydroxide or other basic solutions. While considered a standard, we recommend replacing at least every 24 months.

Click Here for Instructions to standardize sodium hydroxide with potassium acid phthalate


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