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.
When it comes to electroplating and chemical plating, EPi is a leader in the industry. EPiâs electroplating chemicals are of extremely high quality. Zinc plating, nickel plating, and copper plating chemicals are just a few of the many metal plating solutions EPi has to offer.lectroplating Chemicals. EPi developed a single additive cyanide copper electroplating process in 1954 using the now famous E-Brite 23-11 brightener and a single additive nickel plating process in 1961.