Antiserum, ABO-RH, 50 Students, set 3, Synonyms: Anti-A, Anti-B and Anti-Rh(D), Monoclonal Antibodies, Appearance: Liquid, Blue (Anti-A) or Yellow (Anti-B) or Clear (Anti-D)
conductivity tester, handheld device provides a qualitative visual indicator of the conductivity of different solutions, acids or salts, Two brass probes can be touched to a solid substance, or immersed in a liquid, to show conductivity on green LEDs