Answers are grounded in this paper and cite their sources.
Polycarbonate (PC)/styrene-maleic anhydride copolymer (SMA) blends stained by RuO4 were examined by electron microscopy. It was found that RuO4 reacts more with PC than SMA, giving sufficient image contrast between these different polymer component regions in micrographs.
No takes yet. Share an insight, caveat, or question.
Kita et al. (1984) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: