Migration protocol to estimate metal exposure from mouthing copper and tin alloy objects

Migration protocol to estimate metal exposure from mouthing copper and tin alloy objects

BACKGROUND Low blood lead levels previously thought to pose no health risks may have an adverse impact on the cognitive development of children. This concern has given rise to new regulatory restrictions upon lead metal containing products intended for child use. However few reliable experimental testing methods to estimate exposure levels from these materials are available. METHODS The prese...

Novel Protective Coatings for Silver and Copper Alloy Cultural Heritage Objects Using Atomic Layer Deposited Metal Oxide Barrier Films

A methodological approach to estimate soil corrosivity for archaeological copper alloy artefacts

Characterization of soil corrosivity in archaeological sites is an important subject to understand the conservation conditions of archaeological bronze collections and helps conservators to prepare a conservation strategy for long term preservation of bronze objects. In this paper, a research approach is established to identify soil corrosivity in two archaeological sites and to find correlatio...

Exposure pathway assessment at a copper-beryllium alloy facility.

Controlling beryllium inhalation exposures to comply with regulatory levels (2 micro g m(-3) of air) does not appear to prevent beryllium sensitization and chronic beryllium disease (CBD). Additionally, it has proven difficult to establish a clear inhalation exposure-response relationship for beryllium sensitization and CBD. Thus, skin may be an important route of exposure that leads to berylli...

Palladium-copper Alloy Membrane Performance under Continuous H2s Exposure

Palladium-copper alloys continue to be of interest for hydrogen membrane applications because of their high catalytic activity for hydrogen dissociation, high hydrogen permeability, robustness, and degradation resistance in the presence of sulfur-containing compounds. This sulfur tolerance makes these alloys attractive for membrane applications where sulfur compounds are likely to be present, s...