Reagent Grade Copper (II) Sulfate Pentahydrate, 500g Subcategory_Buffers 1100-turn copper coil on a

1100-turn copper coil on a bobbin sized for a double C-core

Soda glass pneumatic trough with concave base measures 12 inches diameter by 6 inches tall for gas collection over water

suitable for securing tubes and flask necks in general laboratory assemblies

Triple-parallel plastic pulley with three 50mm wheels on a steel frame with end hooks

letting an entire classroom read spherometer values before students work with benchtop units

Reagent Grade Copper (II) Sulfate Pentahydrate, 500g Subcategory_Buffers 1100-turn copper coil on aPowdered 500g reagent grade copper (II) sulfate pentahydrate, the finer grained counterpart to the crystal form for faster dissolution in Benedict's reagent and biuret reagent prep.