乙酸钙水合物，Calcium acetate hydrate；[about 94% Ca(CH₃COO)₂] for soil testing

Assay (complexometrically, Ca(CH₃COO)₂): 93.0 - 95.0 %
Identity (Ca): conforms
Identity (acetate): conforms
Appearance: white to almost white fine powder
Appearance of solution (100 g/l, water): clear and colorless
pH (50 g/l; water): 7.2 - 7.8
Total nitrogen (N): ≤ 0.002 %
Chloride (Cl): ≤ 100 ppm
Sulphate (SO₄): ≤ 1000 ppm
Heavy metals (as Pb): ≤ 10 ppm
Fe (Iron): ≤ 10 ppm
K (Potassium): ≤ 0.02 %
Na (Sodium): ≤ 0.02 %