VOA/TOC Vials, 20mL, 100/PK - Clear Glass - ASTM/USP Type I, Class B - PTFE Septa Grade_Reagent 9-inch polypropylene stirring rods with

9-inch polypropylene stirring rods with rounded ends fit small beakers and vials

Used to demonstrate super-absorbent polymer chemistry by absorbing many times its weight in water

this electromagnet-driven pivoted-arm sounder on a wooden base produces the snap of early telegraph operation when current pulses the coil

Innovating Science's 6

Corrosion-resistant nickel plating extends the service life of this butane or propane Bunsen burner for durable bench heating in chemistry labs

VOA/TOC Vials, 20mL, 100/PK - Clear Glass - ASTM/USP Type I, Class B - PTFE Septa Grade_Reagent 9-inch polypropylene stirring rods withClear borosilicate glass VOA TOC vials with polypropylene caps and PTFE septa, pre cleaned and shrink wrapped for volatile organic analysis and total organic carbon testing.