a comparative cytophotometric investigation of dna-fuchsine content in mature erythrocytes of chicks was carried out using various methods and duration of fixation : 96 degrees and 100 % ethanol , carnoy 's fixative , and mixtures of 40 % formalin -- 96 % ethanol -- glacial acetic acid /gaa/ ( 9 : 3 : 1 ) , 100 % methanol -- 4 % formalin -- gaa ( 17 : 2 : 1 ) , and 96 % ethanol -- gaa ( 3 : 1 ) +formalin ( final concentration 2 % ) .
C0001963
methanol
C0001962
ethanol