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Questions related from Arthur Vasconcelos
I need to explain the mechanism of biotransformation of guaiacol in tetraguaiacol biocatalised by a plant peroxidase and I might know if the pathways of this mechanism differs or not differs from...
28 December 2023 2,779 0 View
When I conduce an esterification reaction using oleic acid P.A, occurs a variation in color of final product generated (liquid). Is this color due occurence of some concurrent reactions generating...
17 October 2023 8,416 1 View
I have a material supporting a peroxidase enzymes and I wish to collect the infrared spectrum of the complex support-enzyme, but this system is in buffer medium (citrate-phosphate). The technique...
21 November 2022 2,254 2 View
After hydrothermal synthesis and Washing/drying step, the zeolite synthesis product may presented as pellets besides powder. The milling of these pellets may cause some damage or changes in...
06 June 2022 9,859 2 View
If anyone have a reference of website or the PDF archive downloaded to insert in X'pert highscore plus. Please send me by e-mail [email protected]. I appreciate very much. With regards
05 February 2022 1,792 1 View
May I determine the Si/Al ratio if I quantify these elements using ICP AES data from the precursor material and if I start the synthesis and control the cristalographic profile using DRX?
05 October 2020 740 6 View
Some works related to obtain zeolites from natural precursors cite the use of nickel crucible for the fusion process instead the porcelain crucible. Wich differences this will do for synthesis...
05 October 2020 9,890 2 View