Any author, television script writer, or producer may consult with the FBI about closed cases or our operations, services, or history. However, there is no requirement that they do so, and the FBI does not edit or approve their work. Some authors, television programs, or motion picture producers offer reasonably accurate presentations of our responsibilities, investigations, and procedures in their story lines, while others present their own interpretations or introduce fictional events, persons, or places for dramatic effect.
A gold refining process using Butyl Diglyme, is suitable for both large and small gold operations. High cost gold refining equipment is not necessary to extract gold, or refine gold using butyl diglyme. Extracting and separating gold in an inexpensive glass separatory funnel is one option. Gold purification of 99.9% is obtainable from this gold refining, purification process.
Zinc compounds such as zinc oxide are found in many common commercial products, including batteries, paint, plastics, rubber products, pharmaceuticals, floor coverings, inks, cosmetics, soap, and textiles. Zinc is also a natural insect repellent and sun screen, helping to protect our skin.fter iron, aluminium, and copper, zinc is the fourth most common metal we use today. Around 70% of the world's zinc comes from mining, the remaining 30% comes from recycling the metal because zinc is 100% recyclable.