1pcs Screw Glass Pressure Flask with Tetrafluoro-Threaded Plug,Total Phosphorus Total Nitrogen Screw Colorimetric Tube 10-100ml

1pcs Screw Glass Pressure Flask with Tetrafluoro-Threaded plug，Total Phosphorus Total Nitrogen Screw Colorimetric Tube 10-100ml

Discription: Item: colorimetric tube Material: High borosilicate glass Product feature: The thick-walled cylindrical pressure-resistant bottle is internally threaded and equipped with a 15mm (outer diameter) PTFE threaded sealing cap. It is tested at the factory for pressure and can withstand a pressure of 6 atmospheres. The top of the threaded cap is fitted with an O-ring, which can be used for pressurization reactions. safety warning: Due to the special nature of the product and the condition of the product after use (e.g. scratches), the safety of the product and the resulting damage cannot be guaranteed, a safety barrier and a double safety protection that must be operated in the fume hood must be used.This product is not suitable for microwave reaction, because microwave can cause tetrafluorin to expand and make the glass burst.At the same time pay attention to the cleaning can not scratch the inner wall of the pressure tube, once scratched, do not use. Note: Fluoroglue gasket is resistant to high temperature, but it is very easy to age when used under high temperature. It needs to be replaced after aging!