Description

Dispenser feeds pH 1-14 indicator strips one at a time for quick bench-top pH testing with minimal contamination of the remaining roll

and fine-focus graduations of 0

the larger working face giving longer beam paths for measurable lateral-displacement studies

15 plastic cuvettes and lids

Plotting Compass with Plastic Base, 35mm Chemistry_Molecular Model Sets Dispenser feeds pH 1-14 indicatorFluid damped and impact resistant, this 35mm plotting compass uses a clear plastic base and rotating needle to demonstrate magnetic alignment and direction.

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Plotting Compass with Plastic Base, 35mm Chemistry_Molecular Model Sets Dispenser feeds pH 1-14 indicator

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