Digital magnetic resonance spectrometer (DMRS) from CIERMag: calibration and relaxometry measurements methodology - Teixeira, Julia Marcolan; Vidoto, Edson Luiz Gea; Martins, Mateus Jose; Pizetta, Daniel Cosmo; Louzada, Hendrik Dumith; Tannús, Alberto (Encontro de Outono da Sociedade Brasileira de Física - EOSBF, 2023)