Sodium Tetraborate, also known as Borax, is a chemical compound which derivative of metal boron gas (B), used an antifungal compound, wood preservative, and antiseptic in cosmetics. The use Borax preservative food has been banned by the government. purpose this study was to help remove levels borax found meatball bulbs. Sampling determined Balongbendo District, Sidoarjo Regency. Analysis conten...