elemental mercury

Hg. Mercury in its elemental (pure) form, that is, as a metal; hence the synonym metallic mercury. A shiny, silver-gray metal that is a liquid at room temperature.
Elemental mercury has many uses and is for instance found in thermometers, barometers, dental amalgams, batteries, fluorescent lights and some electrical switches. It is rarely found in nature.

The term "elemental mercury" was found in the following pages:

Occurrence of Mercurous [Hg(I)] Species in Environmental Solid Matrices | EVISA's News
Bacterial methylation of mercury not only starting from oxidized mercury | EVISA's News
Seabass populations can be differentiated by their Mercury Isotope Distribution | EVISA's News
Scientists reveal how organic mercury can interfere with vision | EVISA's News
Instrument database: Tekran Instruments Corporation - Model 2500 CVAFS Mercury Detector
High levels of mercury found in mountain lions linked to coastal fog | EVISA's News
Natural dissolved organic matter plays dual role in cycling of mercury | EVISA's News
Instrument database: Tekran Instruments Corporation - Model 1135 Particulate Mercury Unit
Mercury is converted to oxidized species in the upper atmosphere facilitating its entrance into the food chain | EVISA's News
Link database: EPA's Database on Mercury-Containing Products and Alternatives
Dissension on the best way to fight mercury pollution | EVISA's News
Link database: Princeton University: Mercury Cycling and Methylation
Link database: OSHA Method ID-140: Mercury Vapor In Workplace Atmospheres
Link database: Exposure to Elemental Mercury
Link database: Illinois Teratogen Information Service: Methylmercury and Pregnancy
Instrument database: Brooks Rand Labs - MERX Total Mercury Configuration for EPA 1631
Link database: Toxicity of Mercury
Company database: Tekran Instruments Corporation
How mercury gets into the sea | EVISA's News
Instrument database: Mercury Instruments GmbH - Mercury Stack Monitor SM-3