NickelToday.com

Copper and Copper Alloy Semifinished Products - KDP International
KDP (UK) Ltd are the sole representatives of Shahid Bahonar Copper Industries manufacturing copper and copper alloy products conforming to all international standards.
www.kdp-international.com/

Copper Trace Element
Explains basic information such as role element plays in body, food sources, suggested requirements, and deficiency indications.
www.anyvitamins.com/

WebElements: Copper
Extensive information on history, uses, occurrence, compounds, and properties of the element.
www.webelements.com/

EnvironmentalChemistry.com: Copper
Atomic structure, chemical and physical properties, and table of nuclides.
environmentalchemistry.com/

Visual Elements: Copper
Image, general and physical information, source, uses, key isotopes, and ionisation energies.
www.chemsoc.org/

Copper
Data tables and historic information.
www.scescape.net/

USGS Minerals Information: Copper
Statistics and information on the worldwide supply, demand, and flow of the element (PDF format).
minerals.usgs.gov/

It's Elemental: Copper
Basic physical and historical information.
education.jlab.org/

Copper
Properties and applications along with photographs and chemical formulas of occurrences.
nautilus.fis.uc.pt/

ChemicalElements.com: Copper
Basic information, atomic structure, and table of isotopes.
www.chemicalelements.com/