Sources of precious metals

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There are many sources of precious metals in the modern society.

Contents

Jewelers' wastes and scrap jewelry.

Dental wastes.

Photographers' wastes.

Base metals present in precious metal wastes.

Non-metallic admixtures.

Old electroplating and stripping solutions.

Economics of refining the various kinds of wastes.

Electronics

Electronic waste contains a wide variety of scrap. All from computers to home appliances. This is a short list of some of the more common material an electronic recycler might run into.

Catalytic converters

Laboratory chemical waste

Many chemical labs uses platinum or palladium catalysts for different reactions. To minimize cross-contamination the catalysts are often only used once. The waste is sometimes collected separately from other chemical waste.

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Industrial waste

Jet engines

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