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Topic: Zinc chloride


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In the News (Sun 15 Nov 09)

  
  Zinc - Wikipedia, the free encyclopedia
Zinc is used in contemporary pipe organ building as a substitute for the classic lead/tin alloy in pipes sounding the lowest (pedal) tones, as it is tonally almost indistinguishable from lead/tin at those pitches, and has the added advantages of being much more economical and lighter in weight.
Zinc oxide is used as a white pigment in watercolours or paints, and as an activator in the rubber industry.
Zinc sulfide (sphalerite) minerals are concentrated using the froth flotation method and then usually roasted using pyrometallurgy to oxidise the zinc sulfide to zinc oxide.
en.wikipedia.org /wiki/Zinc   (2059 words)

  
 Zinc chloride - Wikipedia, the free encyclopedia
Zinc chloride is an ionic salt, though some covalent character is indicated by its low melting point (275°C) and its high solubility in solvents such as diethyl ether.
One use for zinc chloride is as a flux for soldering.
Zinc chloride is also a useful starting point for the synthesis of many organozinc reagents, such as those used in the palladium catalysed Negishi coupling with aryl halides or vinyl halides
en.wikipedia.org /wiki/Zinc_chloride   (835 words)

  
 Zinc-carbon battery - Wikipedia, the free encyclopedia
The anode is a mixture of manganese dioxide and carbon powder.
The electrolyte is a mixture of zinc chloride and ammonium chloride dissolved in water.
The space between the carbon rod and the zinc container is filled with a moist mixture of ammonium chloride, manganese dioxide, zinc chloride and carbon powder.
en.wikipedia.org /wiki/Zinc-carbon_battery   (682 words)

  
 Zinc chloride (UK PID)
Zinc chloride is an acidic salt encountered most frequently in solder fluxes or as a constituent of 'smoke-bomb' emissions when zinc oxide and hexachloroethane are burned together.
Zinc chloride is directly corrosive to the mucous membranes of the respiratory and gastrointestinal tracts.
Ocular exposure Zinc chloride is highly irritant to the eyes causing pain and erythema (Evans, 1945) which may be complicated by corneal oedema, burns and ulceration, iritis, glaucoma and cataract formation.
www.intox.org /databank/documents/chemical/zincchl/ukpid86.htm   (6164 words)

  
 Zinc chloride: Facts and details from Encyclopedia Topic   (Site not responding. Last check: 2007-10-08)
Zinc chloride is an ionic[Follow this hyperlink for a summary of this subject] salt salt quick summary:
Hydrogen chloride, also known under the name hcl, is a highly corrosive and toxic colorless gas that forms white fumes on contact with humidity....
Zinc chloride is also able to activate benzylic and allylic halides towards substitution by weak nucleophile nucleophile quick summary:
www.absoluteastronomy.com /encyclopedia/z/zi/zinc_chloride.htm   (2868 words)

  
 It's Elemental - The Element Zinc
Zinc was rediscovered by Andreas Sigismund Marggraf in 1746 by heating calamine with charcoal.
Zinc is alloyed with lead and tin to make solder, a metal with a relatively low melting point used to join electrical components, pipes and other metallic items.
Zinc oxide (ZnO), a common zinc compound, forms when metallic zinc is exposed to the air and forms a protective coating that protects the rest of the metal.
education.jlab.org /itselemental/ele030.html   (401 words)

  
 Zinc Chloride Fume
Butter of zinc fume, zinc dichloride fume, tinning flux fume3.
Zinc chloride fume is a finely divided white powder; this substance is not combustible and has an acrid odor.
Extinguishant: Zinc chloride fume is not combustible; use an extinguishant that is suitable for the material involved in the surrounding fire.
www.osha.gov /SLTC/healthguidelines/zincchloridefume/recognition.html   (3447 words)

  
 Zinc sulphate (UK PID)
Ocular exposure Zinc sulphate (0.25 per cent solution) is used as an astringent in eye drops for the treatment of excessive lacrimation.
Ingestion Gastrointestinal toxicity Zinc sulphate is a gastrointestinal irritant.
Neurotoxicity A premature infant with zinc deficiency was inadvertently given excess zinc sulphate supplements (the route of administration, dose and duration of therapy were not stated).
www.intox.org /databank/documents/chemical/zincsulf/ukpid88.htm   (5039 words)

  
 ATSDR - ToxFAQs™: Zinc
Zinc is one of the most common elements in the earth's crust.
Zinc is essential for proper growth and development of young children.
Tests to measure zinc in hair may provide information on long-term zinc exposure; however, the relationship between levels in your hair and the amount of zinc you were exposed to is not clear.
www.atsdr.cdc.gov /tfacts60.html   (1146 words)

  
 Zinc
Zinc is required in the diet in such small amounts that it is always present in a normal diet without the need for supplementation.
Pure zinc shows almost no reaction with water or dilute acids, because of the formation of a thin layer of hydrogen gas on its surface, or "polarization." Impure zinc, or zinc in the presence of copper or platinum, reacts readily with the evolution of hydrogen.
Zinc sulphate is less toxic, and is used in medicine as an astringent and antiseptic, and also as a mordant, because gelatinous zinc hydroxide is produced when it is hydrolyzed.
www.du.edu /~jcalvert/phys/zinc.htm   (6855 words)

  
 Zinc Chloride Drug Information, Professional
Zinc deficiency (prophylaxis and treatment)—Zinc supplements are indicated in the prevention and treatment of zinc deficiency, which may result from inadequate nutrition or intestinal malabsorption and other conditions that interfere with zinc utilization or increase zinc losses from the body,
Zinc is 60% bound to albumin; 30 to 40% bound to alpha-2 macroglobulin or transferrin; and 1% bound to amino acids, primarily histidine and cysteine.
Zinc is found in whole-grains; however, large amounts of whole-grain foods have been found to reduce zinc absorption.
www.drugs.com /MMX/Zinc_Chloride.html   (4136 words)

  
 Zinc Chloride - Bloodroot Pastes - Cancer Salves
Almost invariably, these products contain zinc chloride, a highly antiseptic caustic that is somewhat more readily absorbed by malignant tissue than by normal tissue, though it is often reactive with healthy as well as morbid tissue.
It is probable that a paste without zinc chloride would have a very short shelf life so that the addition of zinc chloride to otherwise purely botanical formulas is necessary in order to preserve the paste as well as to increase the activity of the pastes.
Mohs and Hoxsey both used a combination of antimony (stibnite), zinc chloride, and bloodroot, thus combining the allopathic and holistic traditions of countless centuries.
www.cancersalves.com /introduction/zncl.html   (924 words)

  
 Zinc
The ability of zinc to shorten colds may be due to a direct, localized anti-viral action in the throat.
Zinc supplementation in children in developing countries is associated with improvements in stunted growth, increased weight gain in underweight children, and substantial reductions in the rates of diarrhea and pneumonia, the two leading causes of death in these settings.
Zinc and platelet membrane microviscosity in Alzheimer’s disease.
www.truestarhealth.com /Notes/2934002.html   (1800 words)

  
 c02lad3
By determining the mass of the zinc at the beginning and at the end of the experiment, the mass of zinc that reacted can be determined.
Also, by evaporating the water from the zinc chloride solution, the mass of zinc chloride that was produced in the reaction can be determined.
You can, as a result, calculate the ratio of the mass of zinc that reacted to the mass of zinc chloride that was produced.
educ.queensu.ca /~science/main/concept/chem/c02/C02LAD3.HTM   (574 words)

  
 Zinc Plating
Zinc is one of the easier metals to plate.
Zinc chloride solution is corrosive (it can be used as a flux for soldering, when it is known as Baker's Fluid, by the way).
The zinc will be the anode.' so this is connected to the positive terminal.
members.tripod.com /cb750k2/Technical/plating.html   (743 words)

  
 MedlinePlus Drug Information: Zinc Supplements (Systemic)   (Site not responding. Last check: 2007-10-08)
Lack of zinc may lead to poor night vision and wound-healing, a decrease in sense of taste and smell, a reduced ability to fight infections, and poor development of reproductive organs.
Zinc is also found in whole grains; however, large amounts of whole-grains have been found to decrease the amount of zinc that is absorbed.
There is some evidence that the elderly may be at risk of becoming deficient in zinc due to poor food selection, decreased absorption of zinc by the body, or medicines that decrease absorption of zinc or increase loss of zinc from the body.
www.nlm.nih.gov /medlineplus/druginfo/uspdi/202622.html   (1610 words)

  
 Zinc Chloride
FLUX - Zinc Chloride is used in fluxes for galvanizing, soldering and tinning.
Zinc is one of the essential elements for plant and animal life.
Zinc Chloride is an excellent source of zinc as a starting material in the production of other zinc chemicals and is an effective catalyst for removing molecules of water, ammonia or mercaptans.
www.oldbridgechem.com /ZnCl2.html   (697 words)

  
 Zinc Chloride Batteries
The Zinc Chloride battery is a beefed up version of the general purpose Carbon Zinc battery.
Zinc Chloride batteries are superior to Carbon Zinc in leak resistance.
As with Carbon Zinc, price, availability and size range were the three advantages of Zinc Chloride over Alkaline batteries.
support.radioshack.com /support_tutorials/batteries/bt-zicl-main.htm   (449 words)

  
 Zinc Chloride USP
USP Zinc Chloride, 62.5% Solution, is a water white to straw colored liquid.
Madison Chemicals USP Zinc Chloride is used in mouth wash, hair preparations and in food processing as a chlorophyll stabilizer to preserve the green color of vegetables such as spinach, beans and peas during blanching.
The Threshold Limit Value (TLV) of zinc chloride is 1 milligram per cubic meter of air for an 8-hour workday.
www.oldbridgechem.com /ZnCl2USP.html   (398 words)

  
 Documentation for Immediately Dangerous to Life or Health Concentrations (IDLHs)
zinc chloride [Ferry 1974 cited by NIOSH 1976]; and the toxic effects involved the respiratory system.
No other data on acute inhalation toxicity are available on which to base the IDLH for zinc chloride fume.
Basis for revised IDLH: The revised IDLH for zinc chloride fume is 50 mg/m
www.cdc.gov /niosh/idlh/7646857.html   (339 words)

  
 Chemical Sampling Information: Zinc Chloride Fume
Notes: 1) Zinc chloride fume is generated during ignition of smoke bombs containing zinc oxide, hexachloroethane, calcium silicate, as well as some minor components.
In an aqueous environment, zinc chloride, in turn, also generates other corrosive chemicals, hydrochloric acid and zinc oxychloride.
Pettilä, V., Takkunen, O. and Tukiainen, P.: Zinc chloride smoke inhalation: a rare cause of severe acute respiratory distress syndrome.
www.osha.gov /dts/chemicalsampling/data/CH_276800.html   (437 words)

  
 CHEST: Zinc chloride inhalation lung injury : clinical presentations, high-resolution CT findings, and pulmonary ...   (Site not responding. Last check: 2007-10-08)
Zinc chloride inhalation lung injury : clinical presentations, high-resolution CT findings, and pulmonary function test results
Study objectives: Zinc chloride smoke inhalation injury (ZCSII) is uncommon and has been rarely described in previous studies.
Abbreviations: DLCO = diffusing capacity of the lung for carbon monoxide.
www.findarticles.com /p/articles/mi_m0984/is_6_127/ai_n14711773   (425 words)

  
 TiePreservation
Kyan's method of treating with mercuric chloride is patented in England.
First North American test of ties treated with zinc chloride: Union RR of Cambridge (a horse railroad).
They opened the first railroad tie treating plant at Las Vegas, NM in July, where ties were treated with zinc chloride by the Wellhouse process.
facstaff.uindy.edu /~oaks/TiePreservation.htm   (903 words)

  
 Alchemical and archaic chemistry terms
butter: In addition to its still current meanings of a low-melting vegetable fat or a high milk-fat foodstuff, a butter could be a soft substance such as an inorganic chloride.
Purgative, made by subliming a mixture of mercuric chloride and metallic mercury, triturated in a mortar.
This was heated in a iron pot and the crust of calomel formed on the lid was ground to powder and boiled with water to remove the very poisonous mercuric chloride.
www.levity.com /alchemy/al_term1.html   (1403 words)

  
 Ammonium Chloride,Chrome Complexes,Potassium Silicate,Zinc Chloride,Fluxes,ISO-9002,Manufacturer.
Ammonium Chloride: We manufacture unique physical forms of high purity, solid and solution ammonium chloride as a primary product.
Zaclon® Galvanizing Fluxes: We are the world's largest producer of galvanizing fluxes, producing over 30 unique flux products,most based on zinc ammonium chloride chemistries.
Zinc Chloride: A high purity, broad application chemical, manufactured in a variety of solution strengths and also available as a granular solid.
www.zaclon.com /products.html   (519 words)

  
 Zinc chloride - toxicity, ecologicial toxicity and regulatory information
Zinc chloride - Identification, toxicity, use, water pollution potential, ecological toxicity and regulatory information
The symptoms of lung oedema often do not become manifest until a few hours have passed and they are aggravated by physical effort.
Sorry, no water quality standards or criteria have been established for this chemical by the U.S. or Canadian governments; however, there may be criteria established for related chemicals.
www.pesticideinfo.org /Detail_Chemical.jsp?Rec_Id=PC35152   (888 words)

  
 Zinc Chloride Suppliers from the PowerSourcing Directory
PowerSourcing is the best source for finding zinc chloride suppliers.
Use our expansive directory to source zinc chloride and other products and services from thousands of suppliers, manufacturers, and distributors.
These are just a few of our zinc chloride suppliers.
www.powersourcing.com /se/zincchloride.htm   (375 words)

  
 "alternative therapy cancer books DVD documentary "
This book is based on over 12,000 case studies showing the efficacy of bloodroot and zinc chloride and the anti-cancer and anti-infection properties TumorX Paste.
Fell reported the use of a paste made of the red sap of the bloodroot, zinc chloride, flour, and water.
Concerning bloodroot on page 287....."Polyps (with zinc chloride, flour and water paste); cancers of the breast and uterus."......
www.cancerx.org /books.htm   (1099 words)

  
 ZINC CHLORIDE
Ingredient CAS No Percent Hazardous --------------------------------------- ------------ ------------ --------- Zinc Chloride 7646-85-7 97 - 100% Yes
When heated to decomposition it emits toxic fumes of chlorine and zinc oxide.
----------------------------------------------- ----- --- ---- ----- Zinc Chloride (7646-85-7) Yes Yes No Yes --------\Federal, State & International Regulations - Part 1\---------------- -SARA 302- ------SARA 313------ Ingredient RQ TPQ List Chemical Catg.
www.jtbaker.com /msds/englishhtml/z2280.htm   (892 words)

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