Sodium Phosphate Dibasic Heptahydrate Crystalline Buffer Salt, 10kg Type_Semicircular 1 gram accuracy on this

1 gram accuracy on this portable electronic balance

and stoppers to ease setup for experiments such as Boyle

Reagent-grade 500mL 95% denatured ethyl alcohol

this metal bench clamp anchors force-table and simple-machine experiments in physics classrooms

The tightly packed framework of silica tetrahedra that make up the quartz crystal give it a relatively high hardness of 7

Sodium Phosphate Dibasic Heptahydrate Crystalline Buffer Salt, 10kg Type_Semicircular 1 gram accuracy on thisBulk 10kg of dibasic sodium phosphate heptahydrate (Na2HPO4*7H2O), the hydrated crystalline buffer salt for production scale phosphate buffered solution preparation in biology and chemistry.