Aragonite morphology influencing MHC synthesis factors

MHC – CaCO₃ conversion

Temperature

Time

Doping agent

Humidity

Accelerated aragonite conversion

Dry powder heating

20˚C standard MHC preparation

5˚C for comparison purposes

2 h standard MHC preparation

24, 48 h for comparison purposes

Mg²⁺ standard MHC preparation

Cu²⁺ and Co²⁺ for comparison purposes

0, 42, 100 RH% at 20˚C

MHC storage in varied humidity environments

60˚C, 80˚C and 100˚C heating in water baths

Thermal

Analysis

DTA/TG