Exact anhydride: epoxy percentages for araldite and araldite-epon embedding.
D000812:Anhydrides; D004853:Epoxy Resins; D006652:Histological Techniques / Q000592:standards*; D008433:Mathematics; D008867:Microtomy / Q000592:standards
D000812:Anhydrides; D004853:Epoxy Resins