Category: staining

How to Identify the Source of a Water Leak in a Commercial Building

by magroupllc, posted in Building Materials, chloride, Concrete, Corrosion, Forensic Chemistry, staining, sulfate, water

Unwanted water in buildings can cause staining, degradation of building materials, and an environment for mold to grow. Water can come from a few possible sources in a building, including drinking water, sewer plumbing, a leak starting at the exterior of the building envelope, ground water, and a pool if the building has one. The … Continue reading How to Identify the Source of a Water Leak in a Commercial Building

Handheld XRF Analysis for Identification of Stains, Lead Paint, Zinc Primer, Galvanizing, and Aluminum Substrate

by magroupllc, posted in Coatings, Corrosion, Forensic Chemistry, Handheld XRF, Metals, Microscopy, staining

Handheld XRF (x-ray fluorescence) is a powerful, non-destructive technique that can identify and quantify multiple elements simultaneously. The instrument has a wide range of applications including metal identification, determination of the presence of lead, soil analysis, coating analysis, and stain analysis. XRF works by emitting an x-ray beam capable of displacing electrons in the inner … Continue reading Handheld XRF Analysis for Identification of Stains, Lead Paint, Zinc Primer, Galvanizing, and Aluminum Substrate