Keene Classifiers 4 coarse screens 1/2 1/4 1/8 and 1/12 for Gold - CLASSIFIER
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Keene Classifiers 4 coarse screens 1/2 1/4 1/8 and 1/12 for Gold - CLASSIFIER:
$79.80
4 KEENEClassifiers with
1/21/4 1/8 1/12inch stainless steel screens
Factory AuthorizedFull LineDealer Buy With ConfidenceI have been prospecting since 1967 andonly sell equipment I use & like!Proper classification of placer material is the most important single step that leads to high recovery ofgold.Get the larger material out of what you want to pan or process in Spiral Wheels or Blue Bowl. These screens fit right in the top of a 5 gallon bucket and have 2 nesting heights 1.5\" & .5\" for storage. Gold will separate much faster when the lighter materials are less than five times its mass. Specific gravity differences between gold and sand are what make gold processing machines effective. When grains of gold, black sand and brown sand are compared, it will be noted that if the weights of the grains are equal, the size is greatly different. Likewise, if the grains are classified so that they are uniform in size, then the weights are very different. It is this size to weight ratio that makes classification important when using a panning machine or even when you are panning by hand.Classification is the key to fine gold recovery!
No matter what equipment youare using(pan, sluice, high-banker, dredge, Gold Cube, spiral wheel, Blue Bowl, shaker table)classification greatly increases gold recovery and will process 7 times faster. Most high-bankers and dredges etc. will have some built in classification.
In my seminars I have everyone get a pan of material, pan it into a tub and keep track of the time and amount of gold. Then put the gold and all material through a set of classifiers and pan each classification one at a time. They are amazed how fast they can go through a pan of classified material and how much gold they missed panning the unclassified material. Including classification everyone’s times are 5-9 times faster and around 25% more gold recovered.
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