Universal Indicator Solution, 100mL, Laboratory Grade Chemical_Sodium Acetate Open-top cylindrical dropping funnel in

Open-top cylindrical dropping funnel in borosilicate glass holds 100mL with PTFE key stopcock for controlled liquid addition in chemistry procedures

4 inches with thread-fitted joints tuning pressure by screw

or Meker burners

the optically worked surfaces and ground polished edges parallel to the main-line 300mm-focal lens for backup-stock use

Reel of 30 SWG bare copper wire totaling about 1150 feet by mass

Universal Indicator Solution, 100mL, Laboratory Grade Chemical_Sodium Acetate Open-top cylindrical dropping funnel inShifting through a full rainbow of colors with pH, this lab grade universal indicator solution gives an approximate reading for acid base work in teaching labs.