... .2~10.09.2~10.09.2~10.0 Heavy metal, as Pb %≤---Arsenic, as As %≤---Fluoride ,as F ... field, paper-making, textile, dyeing, petrochemical industry, tanning industry, metallurgical industry and building material industry, and used as a water ... , and nourishment, etc. 4. Package: 25kg in plastic woven bag with polythene liner; Stored in ventilated and dry place. Sodium Tripolyphosphate (tech grade)