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2 years ago in Atmospheric Chemistry , Environmental Science By Nithin Rao
Which trace metals are commonly found in household dust or kitchen smoke after biomass burning?
Our field study aims to link fuel type (wood, dung, crop residue) to indoor metal pollution. The literature lists many possibilities, but our budget for ICP-MS analysis is limited. We need to strategically select 5-8 metals that are most indicative of biomass burning and pose the greatest inhalation risk, particularly to women and children with chronic exposure.
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By Krupa Answered 1 year ago
Based on my fieldwork analyzing hundreds of these samples, you should prioritize a core set. Zinc and copper are almost ubiquitous from biomass and are good tracers. For serious toxicology, focus on lead (Pb) and cadmium (Cd) their concentrations, though lower, are critical for risk assessment. Don't omit manganese and arsenic, as they volatilize from certain fuels. Iron is a major constituent and useful for mass balance. I have seen stark differences: dung ash adds more Cd and As, while contaminated waste wood can spike lead levels. Always include a blank filter to correct for background.
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