Reactiv 4-Hydroxybenzoic acid propyl ester ROTI®STAR Primary Standard , 100 mg Solicita oferta 🢒 Vezi Detalii
Reactiv Roti®-Histofix 4.5 % acid free (pH 7) phosphate-buffered formaldehyde solution , 5 liter Solicita oferta 🢒 Vezi Detalii