Technique

Analytical methods

Spctrophotometer (Minolta CM-2002)

Polarizing microscope (Nikon OPTIPHOT2-POL)

Ultramicro balance (Sartorius SE-2)

Laser diffraction-scattering particle size analyzer (Horiba LA-920)

Powder X-ray diffraction (MAC Science MX-Labo)

Isotope ratio mass spectrometer (ThermoFisher Scientific MAT-253 with Kiel IV carbonate device)