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Electrodeposition of gold from formaldehyde-sulfite baths: bath stability and deposits characterization
(Sociedade Brasileira de Química, 2011)
It was investigated Au(I)-sulfite baths containing formaldehyde. As a result, high stability was achieved for baths containing formaldehyde concentration close to 10 mL L-1 with a lifetime superior to 600 days. On the other ...
Degradation of formaldehyde in anaerobic sequencing batch biofilm reactor (ASBBR)
(ELSEVIER SCIENCE BV, 2009)
The present study evaluated the degradation of formaldehyde in a bench-scale anaerobic sequencing batch reactor, which contained biomass immobilized in polyurethane foam matrices. The reactor was operated for 212 days at ...
A Simple and Green Analytical Method for the Determination of Formaldehyde
(Soc Brasileira Quimica, 2008-01-01)
A green spectrophotometric analytical method for determination of formaldehyde in commercial samples was designed and investigated. Replacement of hazardous reagents was explored to attain the clean chemistry standards. ...
A Simple and Green Analytical Method for the Determination of Formaldehyde
(Soc Brasileira Quimica, 2008-01-01)
A green spectrophotometric analytical method for determination of formaldehyde in commercial samples was designed and investigated. Replacement of hazardous reagents was explored to attain the clean chemistry standards. ...
Spectrophotometric determination of formaldehyde with chromotropic acid in phosphoric acid medium assisted by microwave oven
(Elsevier B.V., 2004-05-01)
In the present study. a spectrophotometric method for the determination of formaldehyde by using chromotropic acid was devised. in which the use of potentially hazardous and corrosive concentrated sulfuric acid was eliminated ...
Formaldehyde metabolism and its impact on human health
(Elsevier, 2018-06)
Human health is threatened by exposure to reactive toxins that can damage fundamental biomolecules such as DNA and proteins. One of these molecules is formaldehyde, the simplest and one of the most reactive aldehydes. ...
Influência da mescla de resinas uréia formaldeído e difenilmetano 4,4’- diisocianato (MDI) nas propriedades mecânicas e emissão de formaldeído de painéis de madeira aglomerada
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Ciência dos Materiais - PPGCM-SoCâmpus Sorocaba, 2017-12-08)
Several studies take place in order to reduce and even extinguish formaldehyde use in its various applications. This is due to its classification as a carcinogen according to the International Agency for Research on Cancer ...
Qualitative and quantitative analysis of formaldehyde in samples of hair straighteners and suitability of the labels
(2020-01-01)
Formaldehyde is an active compound, irregularly used in hair products, that has the property of straighten and waterproofing the wires. However, it is highly toxic and can stimulate dermatological hypersensitivity and ...
Integrated retention/spectrophotometric detection method for the determination of formaldehyde
(1992)
An integrated-sensor method for the determination of formaldehyde based on retention of the reaction product of the analyte with p-rosaniline and sulfite in a flow-cell packed with Dowex 1-X-8 anion exchange resin was ...
Photo-fenton process for treating biological laboratory wastewater containing formaldehyde
(2010-01-01)
Laboratories consume great amounts of hazardous chemicals substances and consequently generate wastewater containing them, for example formaldehyde. This substance is widely utilized to preserve biological samples generating ...