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The Assay of Materials Requiring Preliminary Acid Treatment
- Three Pockets with an Elastic Band for Added Support
(Please look down at the photos
This Aluminum Sluice Box is 18" long & apx 6" wide at the riffles and 7-3/4" Wide at the top of the flair
40% to 60% Gold needs 1-1/2 part flux to 1 part black sands & Gold
10 Kilo Large Digital Scale Kitchen-Lab-Postal/Flux Mixing/Gold/Silver Ore Smelt jewelry The Assay of Materials RequiringThis Scale makes the perfect kitchen or Lab or postal pal. Its durable and user friendly design makes everyday measuring quick and very easy. The backlit LCD display helps make the numbers viewable and easy to read. This scale offers diversity with functionality. Capacity : 22 LB ( 10Kg) Units: Grams (g) Ounces (oz) Weighing Base Diameter : 5 3 4" Total Dimensions: 9 1 2" x 6 3 4" x 1 1 2" LCD Display Auto Power Off After 1 Minute Requires 2AA
