Phase I

Rate of hydration (ROH) :
      After 1 minute
      After 5 minute

(P2O5) Content

STPP content
(expressed as % of total phosphate content)

Water content

Water insoluble materials

Particle size :
      > 1000 microns
      >500 microns
      < 150 microns

pH (1% solution)

Whiteness

Paulte density

Trace metals :
      (Cr)
      (Co)
      (Ni)
      (Cu)
      (Cd)
      (Pb)
      (Hg)
      (As)
      (Mn)
      (Fe)
      (Mg+Ca)