Fire Essay 2013

Fire Essay 2013-80
Most geologists, whether students, in academia or in industry have heard of, or have submitted samples to have precious metal content analysed by lead fire assay.The lead fire assay method is one of a host of metallurgical analysis methods and is also often referred to as the fusion and critical cupellation (high temperature oxidation) step.

Most geologists, whether students, in academia or in industry have heard of, or have submitted samples to have precious metal content analysed by lead fire assay.The lead fire assay method is one of a host of metallurgical analysis methods and is also often referred to as the fusion and critical cupellation (high temperature oxidation) step.

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The lead oxidises with the aid of the inflowing air from the furnace muffle and then immediately melts and is absorbed into the crucible, leaving behind what is known as a precious metal prill.

The prill is then analysed for its precious metal content through dissolving it in aqua regia (a mixture of hydrochloric and nitric acid) and the concentrations determined by spectroscopic methods (AAS, ICPAES, ICPMS).

Hope you all enjoyed the photos and have a better understanding of the fire assay method, after all, it plays an intergral part in the eventual resource model and so the feasibility of any mineral project.

These included several large, notable wildfires, including the Rim Fire, which became California's 3rd largest wildfire.

Our current global system is pretty crap, but I submit that Bitcoin is worst. There is an upper limit on the number of bitcoins that can ever be created ('mined', in the jargon: new bitcoins are created by carrying out mathematical operations which become progressively harder as the bitcoin space is explored—like calculating ever-larger prime numbers, they get further apart).

This means the the cost of generating new Bitcoins rises over time, so that the value of Bitcoins rise relative to the available goods and services in the market.Bitcoin is designed to be verifiable (forgery-resistant) but pretty much untraceable, and very easy to hide. And easier to ship to the opposite side of the planet at the push of a button.Libertarians love it because it pushes the same buttons as their gold fetish and it doesn't look like a "Fiat currency".New York State schools are required by the Department of Education to provide fire and safety curriculum to their students for a minimum of 45 minutes each month while school is in session.Participation in the Fire Prevention and Life Safety Essay Contest is an enjoyable way for the children to receive their instruction and the school to fulfill its requirement.It always helps to understand the analysis techniques used on samples so you can understand results and data better.Whether you are a geologist or not, I hope this fire assay photo essay will give you at least a basic understanding of the technique used by most precious metal explorers and miners to eventually come to a resource.The newly-formed Pb-Au-Ag-PGE concoction migrates to the bottom of the crucible due to its high density.The sample is then placed in a muffle furnace at around 1000°C.You can visualize it as some kind of scarce precious data resource, sort of a digital equivalent of gold.Nation-states don't control the supply of it, so it promises to bypass central banks. Here's a link-farm to the high points: Mining Bt C has a carbon footprint from hell (as they get more computationally expensive to generate, electricity consumption soars).

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Comments Fire Essay 2013

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