Oil Petroleum Instruments

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WIST-The purpose of a water bath shaker is to steadily shake and mix samples while maintaining a constant temperature. They are used for application such as culturing cells, hybridization, and molecular biology assays.

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Many applications depend on a reliable source of cooling. Circulating chillers in the Unichiller range offer an ideal solution for environmentally friendly and economical cooling in laboratory and industry. There are over 50 air and water cooled models to choose from, with cooling powers from 0,3to 50 kW. Efficient energy management in all Huber chillers ensures low operating costs and reduced usage of valuable fresh water. World circulating chillers are a resource saving solution with a quick return on investment.

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A Digital Bomb Calorimeter is a type of constant-volume calorimeter used in measuring the heat of combustion of a particular reaction. The bomb, with the known mass of the sample and oxygen, form a closed system no gases escape during the reaction. The weighed reactant put inside the steel container is then ignited.

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WIST-A laboratory fume hood is a type of ventilation system that primarily functions to provide personnel protection against toxic fumes, vapors and dust. Its secondary function includes protection against chemical spills, runaway reactions and fires by acting as a physical barrier.

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In a lab, this is often done by placing the material in a freeze-drying flask and rotating the flask in a bath, called a shell freezer, which is cooled by mechanical refrigeration, dry ice in aqueous methanol, or liquid nitrogen. On a larger scale, freezing is usually done using a freeze-drying machine. In this step, it is important to cool the material below its triple point, the lowest temperature at which the solid, liquid and gas phases of the material can coexist he freezing is done rapidly, in order to lower the material to below its eutectic point quickly, thus avoiding the formation of ice crystals. The freezing phase is the most critical in the whole freeze-drying process, because the product can be spoiled if improperly done.