SERIES I PHOSPHORUS YELLOW PHOSPHORUS PHOSPHROUS PENTOXIDEFERROPHOSPHORUS SERIES II SODIUM PHOSPATE SODIUM TRIPOLYPHOSPHATE TECH GRADE & FOOD GRADESODIUM HEXAMETAPHOSPHATE TECH GRADE & FOOD GRADEMONO SODIUM PHOSPHATE TECH GRADE & FOOD GRADE DI SOIDUM PHOSPHATE TECH GRADE * FOOD GRADE TRI SODIUMPHOSPHATE TECH GRADE & FOOD GRADE SERIES III ACID PHOSPHORIC ACID FOOD GRADE 75% & 85%POLYPHOSPHORIC ACIDSERIES IV AMMONIUM PHOSPATE AMMONIUM DIHYDROGEN PHOSPHATE TECH GRADE & FOOD GRADE DIAMMONIUM HYDROGEN PHOSPHATE TECH GRADE & FOOD GRADE SERIES V CALCIUM PHOSPHATE CALCIUM HYDROGEN PHOSPHATE FEED GRADE