Chromium Testing Articles & Analysis
11 articles found
An FAA Certified Part 145 Repair Station MRO facility was unable to discharge to their POTW because the hexavalent chromium Cr(VI) concentration in their wastewater stream was over the regulated discharge limit. The manager of the facility called Electroplating Consultants International in to solve the problem. ECI provides expert consultation and technical assistance to remediate and optimize ...
Project Description Pilot testing was conducted to evaluate the relative performance of 4 filter media, including Ceraflow-50, as part of a reduction coagulation filtration (RCF) treatment process for the removal of hexavalent chromium (Cr(VI)) from groundwater. ...
Overexposure to Hex Chrome can also occur on many forms of carbon steel since many steel alloys contain chromium. Also, welding rods may also contain chromium that can form into Hexavalent Chromium when heated/melted during welding activities. ...
Neither the chromium found in metal plating (like chrome trim on a can) nor the chrome found in medicines like chromium picolinate is in the hexavalent form and is not carcinogenic. ...
Where is Hexavalent Chromium Found? Hexavalent Chromium (also known as Chrome 6, Chrome VI, or hex chrome) is a component of a variety of metal products. ...
One of the types is Electrolytic Chromium Coated Steel (ECCS). Until recently, a chemical containing chromium-6 was used to manufacture ECCS. ...
Unexpected toxicity of bisphenol A (BPA) samples treated by means of the CWAO process to some tested species was determined. In addition, the CWAO effluent was recycled five- or 10-fold in order to increase the number of interactions between the liquid phase and catalyst. Consequently, the inductively coupled plasma mass spectrometry (ICP-MS) analysis indicated higher ...
Naturally occurring chromium occurs mainly in the chromium (III) form as chromite ore, which contains oxygen, chromium (III) and other metals such as iron. ...
Commercial sodium lignosulphonate, a by–product of sulphite pulp leaching, was evaluated for the remediation of soil and water contaminated with hexavalent chromium. Two series of bench–scale tests were performed: (a) removal of chromium from water using reagent binding and membrane separation; and (b) stabilisation of chromium ...
In this study, we analysed the genotoxic and cytotoxic effects of treated tannery wastewater using the micronucleus (MN) test in fish erythrocytes (Bryconamericus iheringii) and the Allium cepa test system. ...
Crude Diatomites Modified by Microemulsion (DMM) and manganese oxide (MnD) are tested for the removal of chromium (III) in this study. The results indicate that zero point of charge (pHZPC) of DMM is 4.7 and that of MnD is 4.6. Both DMM and MnD show remarkable increase in the sorption capacity of chromium (III) when compared with untreated ...