6.6 Lab. Device--Precision burette 50ml, calibrated at 20ºC--2 Measuring cylinder, 1000ml, calibrated at 20ºC--6 Measuring cylinder, 100ml, calibrated at 20ºC--Pipette, 5ml, calibrated at 20ºC--Pipette, 10ml, calibrated at 20ºC--Pipette, 15ml, calibrated at 20ºC--Pipette, 20ml, calibrated at 20ºC--Pipette, 25ml, calibrated at 20ºC--Pipette, 50ml, calibrated at 20ºC--Pipette, 100ml, calibrated at 20ºC--Conical flask, 250ml--Bottle, 50ml with stop--Watch glass with diameter of 120mm--Desiccator--Cuvette with suitable thickness for the spectrophotometer--Stop watch