US$ 43.99
and lab prep
3 glass holds 25mL with PTFE key stopcock for light-sensitive reagent titration applications
3 glass holds 5mL with 10/19 polyethylene stopper for small-volume volumetric measurement procedures
the ready-to-use Gram-staining primary dye for microbiology classrooms that don't carry the dry powder for in-house solution preparation
Should the battery run low
Gabbro Specimen Base Size_12.5 x 8" and lab prepCoarse grained mafic intrusive rock with dark plagioclase and pyroxene crystals, the intrusive equivalent of basalt in igneous rock classification work.