Potassium phosphate is used as a buffer for the determination of pH. It is also used in pharmaceutical production, urinary acidifier, paper processing, nutrient solutions and yeast foods.
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Vu, T. B. N.; Do, T. T.; Le, T. H.; Nguyen, T. T.; Nguyen, S. L. T. Enhance production of recombinant lumbrokinase by optimizing gene codon usage for expression in Pichia pastoris and its properties. J. Biotech Res. 2015, 6, 96-106.