Xinhai tailings dry stacking technology is mainly applied to the dewatering and concentrating of mineral tailings in the mineral processing plants. To reach the aim of tailings dry stacking and avoiding environmental pollution, it is the essential technology of green mine.
Phosphate Flotation Product Line is applied for complex structure phosphate with fine particle distribution, closed embeddedness relationship, difficult monomer dissociation, etc.
Barite is fragile and like a big tube. The separation methods of Xinhai are generally gravity separation, magnetic separation and flotation.
Alluvial gold processing solution mainly applies to processing alluvial gold with a large volume of gangue minerals. Alluvial gold processing is a set of mining processes, including crushing and screening, desliming stage, separating stage, etc.
Step 7. Match your calculation with the specific gravity to find out the metal purity in the chart below. Once you determine the specific gravity it is important to note that tungsten gold bars are almost the same specific gravity as 24k gold bars. Tungstens specific gravity is 19.25 and 24k gold is 19.32.
Specific gravity Test for Gold and Quartz Specimens Figure out how much gold is in a quartz gold specimen. The simplest way to test specific gravity is weigh the quartz gold specimen in air and multiply the weight by 1.9. Then weigh the quartz gold specimen fully submerged in distilled water and multiply that weight by 3.1.
In this example of the specific gravity test we use gold mixed with quartz. Nugget weighed in air weighs 96 grams. Nugget suspended in water weighs 74.5 grams 96 74.5 = 23.5 96 divided by 23.5 = 4.17 (the specific gravity of the specimen) 4.17 2.63 (the average specific gravity of quartz) = 1.54
From an Internet search you can find data for simple alloys such as goldsilver and goldcopper. But because of multicomponent effects noted above 9 carat gold has SG range 10.912.7 18 carat yellow gold 15.215.9 18 carat white gold 14.716.9 22 carat 17.717.8 sterling silver 10.210.3.
The default values below are for gold using an average specific gravity of 18.6 and quartz using a specific gravity of 2.65. These values assume a specimen of gold in a matrix such as quartz. However for a gold nugget containing another mineral such as silver use the specific gravity of pure gold 19.3 and pure silver 10.5.
The Specific Gravity SG is a dimensionless unit defined as the ratio of density of the material to the density of water at a specified temperature. It is common to use the density of water at 4 o C (39 o F) as reference at this point the density of water is at the highest.. Specific gravities SG for common solids and metals can be found in the table below:
the specific gravity method tells us whether gold is "about 20ct" or "about 22ct" but it's not quite accurate enough to measure to the nearest 1ct. THE FOLLOWING TESTS WERE CARRIED OUT ON A PURE (.999 / 24ct) BAR OF GOLD which we know from the chart above should read 19.3 .
Metal or Alloy Density Actinium 10.070 Admiralty Brass 8.525 Aluminum 2.712 Aluminum melted 2.560 2.640 Aluminum 1100 2.720 Aluminum 6061
I will send you the file. You punch in Dry weight and wet weight and wham the grams of gold are figured automatically for you via the mathematical magic of excel equations. Hey gang I am including a link to my dropbox folder where you can find the spreadsheet to do your own Specific Gravity.