A novel method for fast enrichment and monitoring of hexavalent and trivalent chromium at the ppt level with modified silica MCM-41 and its determination by inductively coupled plasma optical emission ...

Objectives Chromium VI (hexavalent chromium, Cr(VI)) is an established cause of lung cancer, but its association with gastrointestinal cancer is less clear. The goal of this study was to examine ...

Sanchez-Hachair, A.; Hofmann, A. Hexavalent chromium quantification in solution: comparing direct UV–visible spectrometry with 1, 5-diphenylcarbazide colorimetry.

Carrageenan@Graphene Oxide Nanocomposites for the Adsorption of Trivalent Arsenic, Hexavalent Chromium, and Fluoride Ions from Aqueous Solutions: Conceptualization Modeling of Adsorptive Interfacial ...

Therefore, chromium carbides together with niobium carbides may have contributed to a higher number of grooves in the cutting tools, and these grooves were more visible and deeper in the niobium added ...

This strategic shift is more than cosmetic. It’s part of a broader initiative led by the U.S. Army Aviation and Missile Command (AMCOM) Heavy Metals Working Group to eliminate hexavalent chromium ...

Among these, eTCP - a patented Type II trivalent chromium product from CHEMEON - provides a distinct violet color indicator, allowing visual verification that a part is coated.