1. The DispensMate Bottle-Top Dispenser can perform accurate and highly repeatable dispensing without wasting reagents. 2. It provides safety for operators and laboratory environments when dealing with corrosive liquids or solvents. 3. In addition, it is resistant to high temperature, high pressure and chemical corrosion. Suitable for general acid and alkali and low concentration of strong acid and alkali and salt, such as :H3PO4,H2SO4,NaOH,KOH etc. The whole process is simple and easy.