US$ 49.00
Three-quarter-inch replacement steel ball for the 2D-collision
lengths from 15mm to 300mm
Fitted with handle to hang it on wall or blackboard
providing a ready-to-use Mg-ion source for culture-media preparation and inorganic-precipitation chemistry student work
Class B Schellbach Borosilicate Glass Burette, White Graduations Capacity:50mL Three-quarter-inch replacement steel ball forSuited for titrations with dark or colored titrants, the white printed graduations and Schellbach stripe preserve clean meniscus reading in teaching bench coursework.
US$ 49.00
US$ 50.00
US$ 43.00
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US$ 43.00