Potassium phthalate;Potassium acid phthalate;Potassium biphthalate;Phthalic acid monopotassium salt;pot. hydrogen phthalate;Potassium phthalate monobasic;BUFFER;BUFFER CONCENTRATE, PH 6.00;BUFFER CONCENTRATE, PH 7.00;BUFFER MIXTURE, PH 6.8;BUFFER O;BUFFER, PH 1.0;BUFFER, PH 1.00;BUFFER, PH 11.00;Potassium Hydrogen Phthalate;Potassium hydrogen phthalate,standard solution;potassium,2-carboxybenzoate;Phthalic acid potassiuM acid salt;KHP;Monopotassium Phthalate;Hydrogen potassium phthalate;1,2-Benzenedicarboxylic acid, monopotassium salt;Phthalic acid, monopotassium salt;phthalic acid potassium salt;POTASSIUM 2-CARBOXYBENZOATE;Potassium phthalate (2:1);GG9121M623;Buffer Solution, pH 5.00;Buffer Solution, pH 3.00;Buffer Solution, pH 4.00;1,2-Benz