Assay (as gum): ≥ 95.0%.
Appearance: White to yellowish powder or granules, odorless.
Identification (TLC): Passes test for acacia.
Viscosity: 1% solution has characteristic viscosity.
Loss on Drying: ≤ 15.0% (at 105°C for 5 hours).
Total Ash: ≤ 4.0%.
Acid Insoluble Ash: ≤ 0.5%.
Tannin-Bearing Gums: Passes test.
Starch or Dextrin: Passes test (no blue color with iodine).
Microbial Limits: Total aerobic microbial count ≤ 1000 cfu/g, total combined yeasts and molds ≤ 100 cfu/g, absence of E. coli, Salmonella.
Arsenic (As): ≤ 3 ppm.
Lead (Pb): ≤ 10 ppm.
pH (10% solution): 4.0-5.0.
Protein Content: ≤ 3.0%.
