Class A Borosilicate Glass Burette with Rotaflow Stopcock Capacity:100mL and a second copper) for

and a second copper) for side-by-side comparison of conductivity and resistance

Cell-structure root tip model exposes dividing cells in the apical meristem alongside differentiating cells in the elongation zone for mitosis teaching

Cylindrical dropping funnel in borosilicate glass holds 50mL with PTFE stopcock

The Go Direct EKG Sensor measures electrical activity in the heart and electrical signals produced during muscle contractions

Class A Borosilicate Glass Burette with Rotaflow Stopcock Capacity:100mL and a second copper) forNeedle valve Rotaflow design delivers fine, stepless flow control for titrations requiring slow and repeatable dispensing under DIN ISO 385 tolerances.