PDF-OCCURRENCE AND MICRO-DISTRIBUTUION OF ARSENIC IN PYRITE Allan Kolker32

1E300101 Carstes 1shi Sand 1955 Sedimentary Hydrothermal As in Pyrite Microanalysis confirms that arsenicrich pyrite does not contain inclusions of arsenopyrite FeAsS The microscale com. Intake of inorganic arsenic ov er a long period can lead to chronic arsenic poisoni ng arsenicosis Effects whic h can take years to develop depending on the level of exposure incl ude skin lesions peripheral neuropathy gastrointestinal symptoms diab Arsenic concentrations vary in accordance with geographic location When arsenic levels are found to be too high at a specific location it may be necessary to treat drinking water to remove it Arsenic usually exists in two different forms or valences Human Health and the Environment. Introduction to Arsenic. Good Element – Bad Chemistry. Arsenic. Good Element – Bad Chemistry. What is . Arsenic. ?. Arsenic is an element which occurs naturally in the environment.. 6. th. period. By: Katelyn Keller. Brianna Leslie. Tiffany Goulart. Used. : rat poison. Found: food, water, household items, etc.. Arsenic can be consumed from: seafood, water, bone meal, beer, tobacco smoke, laundry detergent. 1809 - 1849. Background. January 19, 1809: Born . to traveling actors . - Boston . Parents died before he was 3 yrs. old. Sent to live with . John Allan and his wife Frances . (tobacco businessman). Earth Science 11. Rocks and Minerals. Eva . Xie. . 11A. Pyrite. Category: sulfide mineral. Chemical formula: FeS. 2. Pyrite is known as . “fool’s gold” . due to its . metallic and glistening luster . By Cara . Chae. -Banks. And. Ian . Gevanthor. Distiguishing. Characteristics. Color: Yellowish gray (often mistaken for gold). Class: Sulfides . Luster: Metallic. Cleavage: Very distinct. Streak: Greenish-black. An Update. Mary L. Barrett, Ph.D.. Consulting Geologist & Oilfield Historian. Shreveport, LA. mbarrett@centenary.edu. 22. nd. International Petroleum Environmental Conference. November 17-19, 2015---Denver, CO. Eun . Y. oung Jeong. Rebecca Sammy. Selvie Jegarajaratnam . Zakiya Mittal. Presentation Date: October 10, 2017. PHM142H1. PHM142 Fall . 2017. Instructor: Dr. Jeffrey Henderson. Introduction. Metalloid - both metal and nonmetal properties. Pyrite By Kerry McNally General Info Formula: FeS 2 Colour : Pale brass-yellow Streak: Greenish-black Lustre : Metallic Hardness: 6 - 6½ Specific Gravity: 4.8 - 5 Crystal System: Isometric Member of: Arsenic occurs naturally. Drinking water. Industrial by-products. Smelting. Coal Emissions. Treated wood. Pesticides or herbicides. Food. Juices, Rice, Seafood. Forms of Arsenic. Most common and stable. F. Ruggieri, V. Martin, D. Gimeno, J.L. Fernandez-Turiel, M. Garcia-Valles, L. Gutierrez. Presented by Sharon Brozo and Jason Triplett. Introduction. Article information. Background and Methods. Topic discussion. Jacob Dyson. 1. , Susan Rimmer. 1. , Scott Erick. 2. Southern Illinois University Carbondale. 1. Illinois Geological Survey. 2. Pyrite suns. Disk-shaped pyrite concretions. Occur at the contact between the Herrin . Arsenic Contamination in Potable Water and an Assessment of Regulations. California State University Northridge; Department of Environmental and Occupational Health . Macario Perez, Ammar Witwit . and Antonio F. .