10-Pack Unknown Composition Potassium Hydrogen Phthalate Samples, 100g Each, Varying Purities 20-65% Chemical_Standard Buffer this 42-carbon-atom compact set ships

this 42-carbon-atom compact set ships with hydrogens

7 oz with a removable threaded brass hook

and pendulum period measurements during physics motion investigations

Maximum voltage on any input: 24 V

Bobbin-wound coil for the demountable transformer with panel-mount 4mm sockets and an enclosed earth connection

10-Pack Unknown Composition Potassium Hydrogen Phthalate Samples, 100g Each, Varying Purities 20-65% Chemical_Standard Buffer this 42-carbon-atom compact set shipsUsed to challenge students in determining purity by titration of unknowns, this 10 pack of 100g potassium hydrogen phthalate samples ranges 20 65% purity for analytical chemistry practice.