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Comprehensive Kit: The PhotoGate & Timer Kit comes with two photogates
industrial and laboratory uses
this buffer solution serves as a dependable pH reference standard
Molecular Formula: H3BO3 (sometimes written B(OH)3)
and estimate liquid volumes
4-Tube Manual Hand Driven Centrifuge Kit Comprehensive Kit: The PhotoGate &Included: 4 Tube Manual Hand Driven Centrifuge Kit + 4pcs Graduated 15ml Test Tubes + 4pcs Test Tube Holder. 4 Tubes, Single speed, hand driven machine consisting of a substantial cast iron body with removable crank handle and one thumb screw clamp to clamp the machine to a table. Simply clamp the centrifuge to a bench, tail gate or just about any solid surface and turn by hand. The manual powered self lubricating gear makes this centrifuge virtually
