... ;95%min standard:usp25 packing; 25kg/bag Potassium tripolyphosphateSpecifications Food GradeAppearance White powder Main contents , as K5P3O10 %≥ 95. ... -10.1Heavy metals, as Pb 10ppm Arsenic, as As 3ppm Fluoride, as F 30ppm Water insoluble %≤ 1.0UsesSequestering agent for calcium ... , soups and sauces, noodle products, petfoods, modified starches, processed blood Potassium tripolyphosphate