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Direct linkRattanakit, Parawee; Maungchang, Rasimate – Journal of Chemical Education, 2019
A laboratory experiment utilizing locally available Indian Gooseberry ("Phyllanthus emblica" Linn.) extract as a bioreagent to determine iron(III) is described with the goal of providing students with hands-on experience in spectrophotometry and green chemistry. Spectrophotometry was used to measure the concentration of the complex…
Descriptors: Chemistry, Science Instruction, Environment, Science Laboratories
Jones, Daniel R.; DiScenza, Dana J.; Mako, Teresa L.; Levine, Mindy – Journal of Chemical Education, 2018
Reported herein is a multidisciplinary laboratory experiment for advanced undergraduate students that includes elements of material synthesis, in the synthesis of cyclodextrin-containing metal-organic frameworks (CD-MOFs), and environmental chemistry, in the use of these MOFs for pollutant removal. This multiday laboratory experiment starts with…
Descriptors: Undergraduate Students, College Science, Laboratory Experiments, Science Instruction
Raghuwanshi, Vikram Singh; Wendt, Robert; O'Neill, Maeve; Ochmann, Miguel; Som, Tirtha; Fenger, Robert; Mohrmann, Marie; Hoell, Armin; Rademann, Klaus – Journal of Chemical Education, 2017
We demonstrate here a novel laboratory experiment for the synthesis of gold nanoparticles (AuNPs) by using a low energy gold-sputtering method together with a modern, green, and biofriendly deep eutectic solvent (DES). The strategy is straightforward, economical, ecofriendly, rapid, and clean. It yields uniform AuNPs of 5 nm in diameter with high…
Descriptors: Science Instruction, College Science, Science Laboratories, Laboratory Experiments
Davis, Eric J.; Pauls, Steve; Dick, Jonathan – Journal of Chemical Education, 2017
Presented is a project-based learning (PBL) laboratory approach for an upper-division environmental chemistry or quantitative analysis course. In this work, a combined laboratory class of 11 environmental chemistry students developed a method based on published EPA methods for the extraction of dichlorodiphenyltrichloroethane (DDT) and its…
Descriptors: Student Projects, Teaching Methods, Active Learning, Chemistry
Frey, Douglas D.; Guo, Hui; Karnik, Nikhila – Chemical Engineering Education, 2013
This article describes the assembly of a simple, low-cost, high-performance liquid chromatography (HPLC) system and its use in the undergraduate chemical engineering laboratory course to perform simple experiments. By interpreting the results from these experiments students are able to gain significant experience in the general method of…
Descriptors: Science Instruction, Chemistry, Chemical Engineering, Science Laboratories
Birdwhistell, Kurt R.; Nguyen, Andy; Ramos, Eric J.; Kobelja, Robert – Journal of Chemical Education, 2008
The acylation of ferrocene is a common reaction used in organic laboratories to demonstrate Friedel-Crafts acylation and the purification of compounds using column chromatography. This article describes an acylation of ferrocene experiment that is more eco-friendly than the conventional acylation experiment. The traditional experiment was modified…
Descriptors: Organic Chemistry, Heat, Science Laboratories, Science Instruction
