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Dust Explosion Here are two demonstrations of the principle behind a grain elevator explosion. Lycopodium powder is dispersed inside closed containers containing a lighted candle resulting in explosions.
Reducing the Use of Agrochemicals: A Simple Experiment M. M. Vidal, Olga M. S. Filipe, and M. C. Cruz Costa This article describes a simple laboratory project to demonstrate that dissemination of nutrients and pesticides is prone to surface runoff and groundwater leaching by following the movement of inorganic phosphorus into groundwater. Vidal, M. M.; Filipe, Olga M. S.; Costa, M. C. Cruz. J. Chem. Educ.2006, 83, 245.
Agricultural Chemistry |
Applications of Chemistry |
Natural Products |
Quantitative Analysis |
UV-Vis Spectroscopy
Digging Up Earth Day ResourcesBernadette Caldwell Online soil chemistry resources related to the 2006 themeChemists Celebrate Earth Day: Dig It!are described, and a number of links are provided for further exploration. Caldwell, Bernadette. J. Chem. Educ.2006, 83, 201.
Agricultural Chemistry |
Geochemistry |
Enrichment / Review Materials
Our Everyday Cup of Coffee: The Chemistry behind Its MagicMarino Petracco Coffee beverages are so popular all over the world that there is hardly any need to describe them. But underlying this seemingly commonplace beverage there is a whole realm worth serious scientific study. The complexity of the raw seed matrix, made even more intricate when roasted, requires a deep understanding of its chemical nature. While coffee is not consumed for nutritional purposes, it is appreciated for its taste appeal along with its stimulating effects on mental and physical activity. The attention to quality is of paramount importance to both of these aspects to supply the customers with a pleasant and wholesome product. Petracco, Marino. J. Chem. Educ.2005, 82, 1161.
Chemicals Used in Industry Volume 03, issue 05 of a series of leaflets covering subjects of interest to students of elementary chemistry distributed in 1929 - 1932.
Industrial Chemistry |
Agricultural Chemistry
Nitrogen Volume 03, issue 07 of a series of leaflets covering subjects of interest to students of elementary chemistry distributed in 1929 - 1932.
Industrial Chemistry |
Agricultural Chemistry
Carbon Volume 03, issue 12 of a series of leaflets covering subjects of interest to students of elementary chemistry distributed in 1929 - 1932.
