The Total Alkalinity Content(NaHCO3): 99.0-100.5%
Loss on Dring: 0.20% max.
PH Value(10g/1) Solution: 8.6 max.
Arsentic Content: 0.0001% max.
Heavy Metal Content: 0.0005 max.
Ammonium Salt: pass
Clearness: pass
Particle Size: 20mesh, 40mesh, 60mesh, 80mesh, 100mesh, 140mesh