... %<=0.050.06Uses: Tech Grade used as a water softening agent in solution for printing,dyeing, and boiler; ... diffusant in papermaking;slow corrodent, floating agent, dispersing medium,high temperature agglomerant, detergentand soil Analytical Chemistry ... Reagent.Food Grade Used as additive agent, ph adjusting agent and fermentation agent, and ourishment.Packing: 25kg/bag, 22MT ...