StonyLab Glass 50ml Heavy Wall Single Neck Flat Bottom Boiling Flask, with 24/40 Standard Taper Outer Joint, 50ml 50 mL industrial2 Double earhook with 3

Double earhook with 3

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StonyLab Glass 50ml Heavy Wall Single Neck Flat Bottom Boiling Flask, with 24/40 Standard Taper Outer Joint, 50ml 50 mL industrial2 Double earhook with 3StonyLab Glass 50ml Heavy Wall Single Neck Flat Bottom Boiling Flask, with 24 40 Standard Taper Outer Joint, 50ml Precautions: 1. When heating the flask, please use a wire gauze with ceramic center to separate it from flame, or heat it with an electric heating mantle to ensure evenly heated; 2. Dry the outer wall of flask before heating 3. After the experiment, remove all the catheter first (if any) to prevent backflow, then the heat source. After