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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
Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
US$40
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