... %≤0.001Arsenic, as As %≤0.0003Fluoride ,as F %≤0.003 Chloride, as Cl %≤0.025 1. Product Description:1).Product: STPP ... , high temperature agglomerant, detergent and soil analytical chemical reagent; 2). Food grade: Mainly used as additive agent, pH adjusting agent, fermenting agent ...