... 2.484g/cm3(20),and melting point at 616.Application Used as additive agent,PH adjustable agent,water agent in the solution for printing ... and dyting and boiler,Diffusion of papermaking;slow corrosive,floating agent,dispersing medium,hing temperature agglomerant,detergent and soilanalytical chemical chemistry ... .0016Arsenic,as As %≤0.00037Frioride %≤0.003 shmp PH adjustable agent