Dr. Dale Newton and Dr. Michael Pendleton have developed several froth flotation devices for sale or lease. NP2 incorporates many years of research and development into the flotation devices available (see link above to view the "articles" published during the development and testing of these units).
Froth flotation devices will separate small objects from soil samples to recover carbonized seeds, fragile wood fragments, and even a minute sorghum midge (diapausing larva) within an opened spikelet from a sorghum plant.
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Figure below is a diagram of the Model 1800 froth flotation unit. It is light, portable, and easy to use. Without compressor or screens, the cost of the unit is $50.00 plus shipping and insurance
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For a photo of several models of froth flotation devices for sale or lease, click on the "photos of some of our devices for sale" link above.
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For ordering information, e-mail us at:
mpendleton2@juno.com or
dalenewton@yahoo.com
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A froth flotation device recovers small and fragile fragments of plants, insects, and other debris to aid in the analysis of soil samples. Dr. Michael Pendleton and Dr. Dale Newton have developed several models of flotation devices for sale or lease. The model 1800 (shown in diagram at left) holds 5 gallons of water along with the sample and when attached to a compressor (capable of 40 p.s.i.) will pulsate the tank bottom and create air bubbles in the fluid to separate fragile objects from their soil matrix. Following this process (about 1/2 hour average), the fluid and separated materials are poured through a screen. The materials on the screen are placed on paper to dry prior to analysis. The model 1800 is available (without compressor or screens) for $50.00 (U.S. funds) plus shipping and insurance.
Contact us by phone at:
M. Pendleton (979) 845-1182 or
D. Newton (979) 774-6320
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