Gold, Platinum, Tinstone, and Monazite in the Beach Sands on the South Coast, Queensland

Bücher

Angebote / Angebote:

Excerpt from Gold, Platinum, Tinstone, and Monazite in the Beach Sands on the South Coast, Queensland: With Appendixes on the Beach Sands of New South Wales, and on the Physical Properties, Sources, and Uses of PlatinumIn May last a sample of brown concentrates from the auriferous sands of the South Coast was delivered at the Geological Survey Office for examination as to the presence of platinum.A number of minute ¿attened grains of a white lustrous metal were obtained by carefully panning ed the accompanying minerals. These grains were dissolved in aqua regia, the solution was evaporated to dryness, and the salt remaining was then dissolved in water. The addition of potassium iodide caused the formation of a deep rose colouration, proving the presence of platinum.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.