Purity: purity, ranging from 99% to 100%.Particle Size :such as 30 to 80 meshMoisture Content: Less than 0.50% pH Level: PH 5 to PH 6 Heavy Metals: The levels of heavy metals such as lead, arsenic, cadmium, and mercury should be below the permissible limits specified by regulatory authorities. Microbial Specifications: These specifications may include limits for total viable count, yeast and mold, and specific pathogensWe require 500 KG