What is the difference between potassium citrate and sodium citrate?

These two substances are acidic organic compounds and white crystals, which are easily soluble in water and can be used as food additives. Potassium citrate has different uses in pharmaceutical industry, such as alkaline potassium salt, hypokalemia and alkaline urine, high-efficiency compound fertilizer, paper making, gold plating and other industries. Sodium citrate is used as anticoagulant, expectorant and diuretic in pharmaceutical industry. In the detergent industry, it can replace sodium tripolyphosphate as an auxiliary agent of non-toxic detergent; It is also used in brewing, injection, photography and electroplating.