Toxicological Profile for Lead
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The Development of the Periodic Table and Its Consequences Citation: J
Firenze University Press www.fupress.com/substantia The Development of the Periodic Table and its Consequences Citation: J. Emsley (2019) The Devel- opment of the Periodic Table and its Consequences. Substantia 3(2) Suppl. 5: 15-27. doi: 10.13128/Substantia-297 John Emsley Copyright: © 2019 J. Emsley. This is Alameda Lodge, 23a Alameda Road, Ampthill, MK45 2LA, UK an open access, peer-reviewed article E-mail: [email protected] published by Firenze University Press (http://www.fupress.com/substantia) and distributed under the terms of the Abstract. Chemistry is fortunate among the sciences in having an icon that is instant- Creative Commons Attribution License, ly recognisable around the world: the periodic table. The United Nations has deemed which permits unrestricted use, distri- 2019 to be the International Year of the Periodic Table, in commemoration of the 150th bution, and reproduction in any medi- anniversary of the first paper in which it appeared. That had been written by a Russian um, provided the original author and chemist, Dmitri Mendeleev, and was published in May 1869. Since then, there have source are credited. been many versions of the table, but one format has come to be the most widely used Data Availability Statement: All rel- and is to be seen everywhere. The route to this preferred form of the table makes an evant data are within the paper and its interesting story. Supporting Information files. Keywords. Periodic table, Mendeleev, Newlands, Deming, Seaborg. Competing Interests: The Author(s) declare(s) no conflict of interest. INTRODUCTION There are hundreds of periodic tables but the one that is widely repro- duced has the approval of the International Union of Pure and Applied Chemistry (IUPAC) and is shown in Fig.1. -
Anodic Oxygen-Transfer Electrocatalysis at Pure and Modified Lead Dioxide Electrodes in Acidic Media In-Hyeong Yeo Iowa State University
Iowa State University Capstones, Theses and Retrospective Theses and Dissertations Dissertations 1987 Anodic oxygen-transfer electrocatalysis at pure and modified lead dioxide electrodes in acidic media In-Hyeong Yeo Iowa State University Follow this and additional works at: https://lib.dr.iastate.edu/rtd Part of the Analytical Chemistry Commons Recommended Citation Yeo, In-Hyeong, "Anodic oxygen-transfer electrocatalysis at pure and modified lead dioxide electrodes in acidic media " (1987). Retrospective Theses and Dissertations. 11664. https://lib.dr.iastate.edu/rtd/11664 This Dissertation is brought to you for free and open access by the Iowa State University Capstones, Theses and Dissertations at Iowa State University Digital Repository. It has been accepted for inclusion in Retrospective Theses and Dissertations by an authorized administrator of Iowa State University Digital Repository. For more information, please contact [email protected]. INFORMATION TO USERS While the most advanced technology has been used to photograph and reproduce this manuscript, the quality of the reproduction is heavily dependent upon the quality of the material submitted. For example: • Manuscript pages may have indistinct print. In such cases, the best available copy has been filmed. • Manuscripts may not always be complete. In such cases, a note will indicate that it is not possible to obtain missing pages. • Copyrighted material may have been removed from the manuscript. In such cases, a note will indicate the deletion. Oversize materials (e.g., maps, drawings, and charts) are photographed by sectioning the original, beginning at the upper left-hand comer and continuing from left to right in equal sections with small overlaps. -
Lead in Your Home Portrait Color
Protect Your Family From Lead in Your Home United States Environmental Protection Agency United States Consumer Product Safety Commission United States Department of Housing and Urban Development March 2021 Are You Planning to Buy or Rent a Home Built Before 1978? Did you know that many homes built before 1978 have lead-based paint? Lead from paint, chips, and dust can pose serious health hazards. Read this entire brochure to learn: • How lead gets into the body • How lead afects health • What you can do to protect your family • Where to go for more information Before renting or buying a pre-1978 home or apartment, federal law requires: • Sellers must disclose known information on lead-based paint or lead- based paint hazards before selling a house. • Real estate sales contracts must include a specifc warning statement about lead-based paint. Buyers have up to 10 days to check for lead. • Landlords must disclose known information on lead-based paint or lead-based paint hazards before leases take efect. Leases must include a specifc warning statement about lead-based paint. If undertaking renovations, repairs, or painting (RRP) projects in your pre-1978 home or apartment: • Read EPA’s pamphlet, The Lead-Safe Certifed Guide to Renovate Right, to learn about the lead-safe work practices that contractors are required to follow when working in your home (see page 12). Simple Steps to Protect Your Family from Lead Hazards If you think your home has lead-based paint: • Don’t try to remove lead-based paint yourself. • Always keep painted surfaces in good condition to minimize deterioration. -
Of the Periodic Table
of the Periodic Table teacher notes Give your students a visual introduction to the families of the periodic table! This product includes eight mini- posters, one for each of the element families on the main group of the periodic table: Alkali Metals, Alkaline Earth Metals, Boron/Aluminum Group (Icosagens), Carbon Group (Crystallogens), Nitrogen Group (Pnictogens), Oxygen Group (Chalcogens), Halogens, and Noble Gases. The mini-posters give overview information about the family as well as a visual of where on the periodic table the family is located and a diagram of an atom of that family highlighting the number of valence electrons. Also included is the student packet, which is broken into the eight families and asks for specific information that students will find on the mini-posters. The students are also directed to color each family with a specific color on the blank graphic organizer at the end of their packet and they go to the fantastic interactive table at www.periodictable.com to learn even more about the elements in each family. Furthermore, there is a section for students to conduct their own research on the element of hydrogen, which does not belong to a family. When I use this activity, I print two of each mini-poster in color (pages 8 through 15 of this file), laminate them, and lay them on a big table. I have students work in partners to read about each family, one at a time, and complete that section of the student packet (pages 16 through 21 of this file). When they finish, they bring the mini-poster back to the table for another group to use. -
Chemical Chemical Hazard and Compatibility Information
Chemical Chemical Hazard and Compatibility Information Acetic Acid HAZARDS & STORAGE: Corrosive and combustible liquid. Serious health hazard. Reacts with oxidizing and alkali materials. Keep above freezing point (62 degrees F) to avoid rupture of carboys and glass containers.. INCOMPATIBILITIES: 2-amino-ethanol, Acetaldehyde, Acetic anhydride, Acids, Alcohol, Amines, 2-Amino-ethanol, Ammonia, Ammonium nitrate, 5-Azidotetrazole, Bases, Bromine pentafluoride, Caustics (strong), Chlorosulfonic acid, Chromic Acid, Chromium trioxide, Chlorine trifluoride, Ethylene imine, Ethylene glycol, Ethylene diamine, Hydrogen cyanide, Hydrogen peroxide, Hydrogen sulfide, Hydroxyl compounds, Ketones, Nitric Acid, Oleum, Oxidizers (strong), P(OCN)3, Perchloric acid, Permanganates, Peroxides, Phenols, Phosphorus isocyanate, Phosphorus trichloride, Potassium hydroxide, Potassium permanganate, Potassium-tert-butoxide, Sodium hydroxide, Sodium peroxide, Sulfuric acid, n-Xylene. Acetone HAZARDS & STORAGE: Store in a cool, dry, well ventilated place. INCOMPATIBILITIES: Acids, Bromine trifluoride, Bromine, Bromoform, Carbon, Chloroform, Chromium oxide, Chromium trioxide, Chromyl chloride, Dioxygen difluoride, Fluorine oxide, Hydrogen peroxide, 2-Methyl-1,2-butadiene, NaOBr, Nitric acid, Nitrosyl chloride, Nitrosyl perchlorate, Nitryl perchlorate, NOCl, Oxidizing materials, Permonosulfuric acid, Peroxomonosulfuric acid, Potassium-tert-butoxide, Sulfur dichloride, Sulfuric acid, thio-Diglycol, Thiotrithiazyl perchlorate, Trichloromelamine, 2,4,6-Trichloro-1,3,5-triazine -
Gasket Chemical Services Guide
Gasket Chemical Services Guide Revision: GSG-100 6490 Rev.(AA) • The information contained herein is general in nature and recommendations are valid only for Victaulic compounds. • Gasket compatibility is dependent upon a number of factors. Suitability for a particular application must be determined by a competent individual familiar with system-specific conditions. • Victaulic offers no warranties, expressed or implied, of a product in any application. Contact your Victaulic sales representative to ensure the best gasket is selected for a particular service. Failure to follow these instructions could cause system failure, resulting in serious personal injury and property damage. Rating Code Key 1 Most Applications 2 Limited Applications 3 Restricted Applications (Nitrile) (EPDM) Grade E (Silicone) GRADE L GRADE T GRADE A GRADE V GRADE O GRADE M (Neoprene) GRADE M2 --- Insufficient Data (White Nitrile) GRADE CHP-2 (Epichlorohydrin) (Fluoroelastomer) (Fluoroelastomer) (Halogenated Butyl) (Hydrogenated Nitrile) Chemical GRADE ST / H Abietic Acid --- --- --- --- --- --- --- --- --- --- Acetaldehyde 2 3 3 3 3 --- --- 2 --- 3 Acetamide 1 1 1 1 2 --- --- 2 --- 3 Acetanilide 1 3 3 3 1 --- --- 2 --- 3 Acetic Acid, 30% 1 2 2 2 1 --- 2 1 2 3 Acetic Acid, 5% 1 2 2 2 1 --- 2 1 1 3 Acetic Acid, Glacial 1 3 3 3 3 --- 3 2 3 3 Acetic Acid, Hot, High Pressure 3 3 3 3 3 --- 3 3 3 3 Acetic Anhydride 2 3 3 3 2 --- 3 3 --- 3 Acetoacetic Acid 1 3 3 3 1 --- --- 2 --- 3 Acetone 1 3 3 3 3 --- 3 3 3 3 Acetone Cyanohydrin 1 3 3 3 1 --- --- 2 --- 3 Acetonitrile 1 3 3 3 1 --- --- --- --- 3 Acetophenetidine 3 2 2 2 3 --- --- --- --- 1 Acetophenone 1 3 3 3 3 --- 3 3 --- 3 Acetotoluidide 3 2 2 2 3 --- --- --- --- 1 Acetyl Acetone 1 3 3 3 3 --- 3 3 --- 3 The data and recommendations presented are based upon the best information available resulting from a combination of Victaulic's field experience, laboratory testing and recommendations supplied by prime producers of basic copolymer materials. -
Mercury and Lead Pollution: Still a Critical Issue in Europe
06 December 2007 Mercury and Lead Pollution: still a Critical Issue in Europe Human activities release heavy metals into the atmosphere where they are also transported across national boundaries. This results in air, soil and water pollution through the deposition of heavy metals in environments that are located far away from the actual emission sources. Atmospheric deposition of mercury and lead in particular are calculated to be too high, affecting respectively 51.2% and 7.4% of EU-25 ecosystems respectively in 2000. Heavy metals such as cadmium, lead and mercury can result in serious health risks (e.g. lung damage, kidney diseases, nervous system failures, etc.) and can be harmful to the environment (e.g. soil and water pollution, accumulation in plants). In 1979, the European Union (EU) signed the Long-range Transboundary Air Pollution Convention (LRTAP1), which was the first international legally binding instrument dealing with problems of air pollution on a broad regional basis, including pollution due to heavy metals emissions. In Europe, research programs focusing on heavy metals are already in place, including the EU-funded project ESPREME 2, which aims at developing methods and identifying strategies to support EU environmental policy-making for reducing the emissions and thus the harmful impacts of heavy metals. In the framework of the LRTAP, a methodology 3 was developed to assess the critical loads of heavy metals for both terrestrial and aquatic ecosystems, as well as for human health. The critical load is a measure of how much metal input from anthropogenic sources a system can tolerate. It is the threshold below which significant harmful effects on human health and on the environment do not occur, according to present knowledge. -
Hazardous Material Inventory Statement
City of Brooklyn Park FIRE DEPARTMENT 5200 - 85th Avenue North Brooklyn Park MN 55443 Phone: (763)493-8020 Fax: (763) 493-8391 Hazardous Materials Inventory Statement Users Guide A separate inventory statement shall be provided for each building. An amended inventory statement shall be provided within 30 days of the storage of any hazardous materials or plastics that changes or adds a hazard class or which is sufficient in quantity to cause an increase in the quantity which exceeds 5 percent for any hazard class. The hazardous materials inventory statement shall list by hazard class categories. Each grouping shall provide the following information for each hazardous material listed for that group including a total quantity for each group of hazard class. 1. Hazard class. (See attached Hazardous Materials Categories Listing) 2. Common or trade name. 3. Chemical Abstract Service Number (CAS number) found in 29 Code of Federal Regulations (C.F.R.). 4. Whether the material is pure or a mixture, and whether the material is a solid, liquid or gas 5. Maximum aggregate quantity stored at any one time. 6. Maximum aggregate quantity In-Use (Open to atmosphere) at any one time. 7. Maximum aggregate quantity In-Use (Closed to atmosphere) at any one time. 8. Storage conditions related to the storage type, high-pile, encapsulated, non-encapsulated. Attached is a listing of categories that all materials need to be organized to. Definitions of these categories are also attached for your use. At the end of this packet are blank forms for completing this project. For questions regarding Hazardous Materials Inventory Statement contact the Fire Department at 763-493-8020. -
Material Safety Data Sheet Lead (II) Carbonate
4/22/13 10:34 AM Material Safety Data Sheet Lead (II) Carbonate ACC# 12565 Section 1 - Chemical Product and Company Identification MSDS Name: Lead (II) Carbonate Catalog Numbers: S75152, S800511, L43250 Synonyms: Carbonic acid lead(+2) salt(1:1); cerussete; dibasic lead carbonate; lead carbonate; white lead Company Identification: Fisher Scientific 1 Reagent Lane Fair Lawn, NJ 07410 For information, call: 201-796-7100 Emergency Number: 201-796-7100 For CHEMTREC assistance, call: 800-424-9300 For International CHEMTREC assistance, call: 703-527-3887 Section 2 - Composition, Information on Ingredients CAS# Chemical Name Percent EINECS/ELINCS 598-63-0 Lead carbonate 100 209-943-4 Section 3 - Hazards Identification EMERGENCY OVERVIEW Appearance: white solid. Caution! May be absorbed through intact skin. May cause eye and skin irritation. May cause respiratory and digestive tract irritation. May cause blood abnormalities. May cause cancer based on animal studies. May cause central nervous system effects. May cause liver and kidney damage. May cause reproductive and fetal effects. Target Organs: Blood, kidneys, central nervous system, reproductive system, brain. Potential Health Effects Eye: May cause eye irritation. Skin: May cause skin irritation. Prolonged and/or repeated contact may cause irritation and/or dermatitis. Ingestion: Causes gastrointestinal irritation with nausea, vomiting and diarrhea. Many lead compounds can cause toxic effects in the blood-forming organs, kidneys, and central nervous system. May cause metal tast, muscle pain/weakness, and Inhalation: May cause respiratory tract irritation. May cause effects similar to those described for ingestion. https://fscimage.fishersci.com/msds/12565.htm Page 1 of 7 4/22/13 10:34 AM Chronic: Chronic exposure to lead may result in plumbism which is characterized by lead line in gum, headache, muscle weakness, mental changes. -
Synthesis of Lead Dioxide Nanoparticles by the Pulsed Current Electrochemical Method
Int. J. Electrochem. Sci., 4 (2009) 1511 - 1527 International Journal of ELECTROCHEMICAL SCIENCE www.electrochemsci.org Synthesis of Lead Dioxide Nanoparticles by the Pulsed Current Electrochemical Method Hassan Karami *, Mahboobeh Alipour Nano Research Laboratory, Department of Chemistry, Payame Noor Unirvesity (PNU), Abhar, Iran *E-mail: [email protected] Received: 22 June 2009 / Accepted: 11 November 2009 / Published: 1 December 2009 In this paper, lead dioxide nanoparticles were directly synthesized by pulsed current electrochemical method on the lead substrate in 4.8 M sulfuric acid solution. In order to obatin uniform morphology , narrowest size distribution and best composition of lead dioxide nanoparticles, the effect of experimental variables such as concentration of sulfuric acid, bath temperature, pulse frequency and pulse height (current amount), have been investigated. For conversion of all synthesized species to lead dioxide, each prepared sample was oxidized by low voltage method. The composition, morphology and structure were investigated using Energy Dispersive X-ray Analysis (EDX), scanning electron microscopy (SEM) and X-ray diffraction techniques (XRD). XRD results revealed lead dioxide samples, prepared under optimized experimental conditions, contain only PbO 2 in the range of 24-32 nm. Electrochemical behavior of the prepared electrodes was studied by cyclic voltammetry. The obtained results indicate that pulsed current electrochemical method can be used as a confident and controllable method for direct preparation of the lead dioxide nanoparticles on lead substrate. The lead dioxide synthesized in the optimum conditions showed an excellent discharge capacity (230 mA.h/g) when it was used as the cathode of lead-acid batteries. Keywords: Lead dioxide; Nanoparticles; Pulsed current; Direct oxidation 1. -
United States Patent (19) 11) 4,336,236 Kolakowski Et Al
United States Patent (19) 11) 4,336,236 Kolakowski et al. 45) Jun. 22, 1982 (54) DOUBLE PRECIPITATION REACTION FOR (56) References Cited THE FORMATION OF HIGH PURTY BASIC LEAD CARBONATE AND HIGH PURITY U.S. PATENT DOCUMENTS NORMAL LEAD CARBONATE 70,990 1 1/1867 Gattman .............................. 423/435 4,269,811 5/1981 Striffler, Jr. et al. ................. 423/92 (75) Inventors: Michael A. Kolakowski, Milltown, N.J.; John J. Valachovic, Fremont, Primary Examiner-Earl C. Thomas Calif. Attorney, Agent, or Firm-Gary M. Nath (73) Assignee: NL Industries, Inc., New York, N.Y. 57 ABSTRACT A process is provided for the preparation of high purity 21) Appl. No.: 247,441 basic lead carbonate and high purity normal lead car 22 Filed: Mar. 25, 1981 bonate by a double precipitation reaction employing a single lead acetate feed solution. The process is particu (51) Int. Cl............................................... C01G 21/14 larly applicable to processes for producing lead monox 52) U.S. Cl. ...................................... 423/435; 423/92; ide from solid lead sulfate-bearing materials such as 423/619 battery mud. 58 Field of Search ................... 423/92, 93, 435, 436, 423/619 17 Claims, 1 Drawing Figure AA/7AAY AW/A I 35 9 2 AAAAMAAJ AAAAW/ 4 3 A40/4 SI/AM (AMA) AAW (AAAA/70 SAAAAA % SAA/AAAAAY 32 20 7 2 23 26 AAAA All S01/0SAAAAW/ / Z/l/l) (02 (AAA04//0/APAA/AIAJ70 (AAS/A IAA (A60/AF S0Z/0/A/10/0 SAPA/PA/70 3. (AAA.0/7.0/A/AWA70 (AOPA AAA (AAA0AA 501/0/A/40/0 SAAAA/ 28 (AZA/MAIAW 29 30 4,336,236 1. -
Lots of Lead in the Water? Maybe Manganese Is to Blame
7/30/2019 Lots Of Lead In The Water Maybe Manganese Is To Blame News | July 23, 2019 Lots Of Lead In The Water? Maybe Manganese Is To Blame Researchers have found the naturally occurring mineral can speed up the production of lead dioxide under certain circumstances Manganese is not a particularly toxic mineral. In fact, people need a little in their diets to remain healthy. Research at Washington University in St. Louis has shown however, that in conjunction with certain other chemicals, naturally occurring manganese can lead to big changes in the water in lead pipes. Depending on what disinfectants are used in the water, those changes can have significant — even dangerous — consequences. The results were recently published in Environmental Science and Technology. The research focuses on a unique form of lead, PbO2 or lead dioxide (lead in the plus-4 oxidation state). Lead dioxide has a very low water solubility — it does not easily dissolve in water alone. It is also uncommon in nature, unlike the more familiar PbCO3, the lead carbonate that makes up the scales that tend to form on pipes. “You don’t find PbO2 in the environment because there is no strong oxidizing agent,” said Daniel Giammar, the Walter E. Browne Professor of Environmental Engineering at the McKelvey School of Engineering. “But good disinfectants are often good oxidizing agents.” Chlorine is a great disinfectant, so much so that it’s used commonly in drinking water in America and across the world. It is also good oxidizing agent and promotes the transformation of lead carbonate to lead dioxide.