Apparatus with high cleanliness requirements is usually soaked in a potassium dichromate washing solution, then rinsed with water. However, potassium dichromate washing solution is apt to lose its efficacy and turn green, which will pollute the environment. Instead, prepare a large container in the lab, obtain some industrial alcohol from the workshop, and use the alcohol to dispose of the sodium silk used to dry solvents or use it as a washing solution; in addition, use a large tub (heated) along with washing powder water (determine the concentration as appropriate), add some sodium hydroxide to the washing powder water, soak the apparatus in the washing solution, heat it with an electric furnace for a while and wash with water after removing the apparatus - the effect is easy to see! Take care not to put brushes into heated washing solution.
We have focused on top quality lab instruments, pilot apparatus and biochemical instruments field for over 10 years in China.
Our main products include the Short Path Distillation Apparatus, Thin Film Evaporator, Rotary Evaporator, Glass Reactor, Vacuum Filter, Liquid-Liquid Extractors, Heating and Cooling Circulator, Water Bath, Heating Mantle，Lab Vacuum Pump, Lab Drying Oven, Spray Drier and so on.