FIELD: chemistry.
SUBSTANCE: calcium pyrophosphate powder capable of agglomeration is obtained by reacting aqueous solutions of calcium salts and soluble pyrophosphate, ageing the obtained residue in a mother solution for 30-60 minutes, filtration, thermal treatment at 300-600°C for 2-4 hours and disaggregation.
EFFECT: invention enables to obtain calcium pyrophosphate powder consisting of particles with an isometric shape and size of 100-200 nm which is capable of agglomeration.
4 dwg, 1 tbl, 2 ex
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