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Topic: Copper(II) sulfate


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In the News (Mon 24 Nov 14)

  
  Copper Sulfate
Copper sulfate is a naturally-occurring inorganic salt and copper is an essential trace element in plant and animal nutrition (5, 6, 7, 13, 16).
When copper sulfate is given intravenously, or injected into the vein, as little as 2 mg/kg copper sulfate is lethal to guinea pigs; and 4 mg/kg is lethal to rabbits (13).
Although copper sulfate is highly water soluble-that is, it dissolves very easily in water-the copper ions are strongly adsorbed or precipitated to soil particles when it is applied to soil (13).
pmep.cce.cornell.edu /profiles/extoxnet/carbaryl-dicrotophos/copper-sulfate-ext.html   (2504 words)

  
 Copper(II) sulfate - Wikipedia, the free encyclopedia
Copper sulfate exists as a series of compounds that differ in their degree of hydration.
It is made by the action of sulfuric acid on a variety of copper(II) compounds, such copper(II) oxide and copper carbonate.
Copper sulfate is a commonly included chemical in children's chemistry sets and is often used in high school crystal growing and copper plating experiments.
en.wikipedia.org /wiki/Copper(II)_sulfate   (385 words)

  
 Copper (via CobWeb/3.1 planetlab2.netlab.uky.edu)   (Site not responding. Last check: 2007-10-13)
Copper (II) sulfate is used as a poison and a water purifier.
Copper(II) carbonate is green from which arises the unique Appearance of copper-clad roofs or domes on some buildings.
Copper(II) sulfate forms a blue crystalline pentahydrate which is perhaps the Most familiar Copper compound in the laboratory.
copper.iqnaut.net.cob-web.org:8888   (1284 words)

  
 copper sulfate (Bluestone) Herbicide Profile 3/86
Copper sulfate is also registered for use as a weed seed treatment, for treatment of tree wounds, for control of fungi and fungal/ bacterial slimes occurring in wood, and in water systems, including sewer pumps and force mains, pulp and paper mills, cooling towers and spray ponds.
Copper sulfate is toxic to fish and may present a hazard to aquatic organisms, especially when used as an algicide or molluscicide.
Direct application of copper sulfate to water may effect a significant reduction in populations of aquatic invertebrates, plants and fish.
pmep.cce.cornell.edu /profiles/herb-growthreg/cacodylic-cymoxanil/copper-sulfate/herb-prof-copper-sulfate.html   (1561 words)

  
 Copper sulfate (UK PID)
Isolauri J, Markkula H, Auvinen O. Copper sulfate corrosion and necrosis of the esophagus and stomach.
A post-mortem blood sample revealed a copper concentration of 66 mg/L. The cause of death was identified as "cardio-respiratory arrest due to copper sulfate poisoning" but no further details of the post-mortem findings were given (Gulliver, 1991).
On presentation to a Poisons Centre some 16 hours after ingesting 30 mL of a supersaturated copper sulphate solution a two year-old child was noted to have a pulse rate of 150 beats/minute with multiple ventricular extrasystoles and occasional runs of bigeminy on electrocardiogram (Cole and Lirenman, 1978).
www.intox.org /databank/documents/chemical/copsulf/ukpid56.htm   (11461 words)

  
 Copper-Iron Exchange Challenge Lab
Iron is capable of forming compounds with a either +2 or a +3 charge.
[Sulfate is a polyatomic ion : a group of atoms that act like a single charged particle.
Two balanced equations for the reaction between copper (II) sulfate and iron, showing both possible products, will show you the mole ratio of copper (II) sulfate to iron needed to produce each possible product.
homepage.mac.com /sklemmer/Honors/copperironlab.htm   (443 words)

  
 International Resources, Inc.
Prolonged use of solid copper sulfate for treatment of trachoma produced inflammation and purulent reaction, and discoloration of the cornea.
When a particle of copper sulfate was left accidentally in the conjunctival sac, it caused more sever local inflammation and necrosis, corneal opacity, and symblepharon.
Acute exposure-ingestion of a toxic dose of copper sulfate may cause salivation, nausea, vomiting, gastric pain, and local corrosion of hemorrhages.
www.iri-us.com /msds/copper.html   (1055 words)

  
 AUFBAU1 [METALS: COPPER COMPOUNDS (1)]
State the formulae of the two ions that are present in (anhydrous) copper(II) sulfate, but not in this mixture.
_______________________________________________________________________ [2] (c) Strong heating of aqueous copper(II) sulfate, in a distillation apparatus, results in the quantitative recovery of copper(II) sulfate, as an off-white solid, and water, as a colourless liquid:
Probably the most familiar example of a copper(I) compound is that observed when a positive result is obtained in the Fehling's test for 'reducing sugars'; e.g., warming an alkaline solution of glucose and copper(II) sulfate results in the precipitation of copper(I) oxide as a pale-orange solid.
www.wissensdrang.com /auf1cu2.htm   (662 words)

  
 [No title]
Results The combinations of starting material and reducing metal that worked best for us were copper (II) sulfate and zinc, as used by the CSB/SJU general chemistry lab, and the copper (II) chloride and aluminum foil (see data table).
The advantages of using the copper (II) sulfate - zinc combination are that copper (II) sulfate is relatively safe to use and that good results can be obtained.
Student Procedures for using the reduction of copper as a stand-alone lab exercise The following are two procedures for using the last phase of the copper cycle lab as a stand-alone lab exercise for high school students.
www.users.csbsju.edu /~amckenna/WEBPAGE/ProDocuments/reducingagents.txt   (1334 words)

  
 Copper Sulfate Uses from SoundHorse
Copper Sulfate Pentahydrate [CuSO4-5H2O] is a naturally-occurring inorganic salt.
WARNING: Copper Sulfate is moderately toxic upon acute oral exposure and should be handled and treated as a strong irritant.
The crystal size in commercially available copper sulfate is usually larger than optimal for use in hoof packing applications.
www.soundhorse.com /copper_sulfate.htm   (493 words)

  
 Copper sulfate electrolysis   (Site not responding. Last check: 2007-10-13)
Other equipment needed: one 10 mL conical flask, a few centimetres of clean copper wire approx 1 mm diameter, concentrated copper sulfate solution (at least 1M), cotton wool, source of low-voltage DC current, with potentiometer to regulate cell voltage, electric leads, voltmeter (or multimeter) to monitor cell voltage.
If a solution of copper(II) sulfate is electrolysed with a platinum anode, oxygen will be produced at the anode, while copper is deposited at the cathode.
The mass of the whole electrolytic cell should decrease by the mass of the oxygen given off, while the mass of the cathode should increase by the mass of copper ions reduced.
chem.lapeer.org /Chem1Docs/CuSO4Elect.html   (621 words)

  
 [No title]
In order to reduce copper(II) sulfate to copper metal, 1.2-1.4 g of zinc metal are added to the blue copper(II) sulfate solution from the previous step.
Immediately the zinc begins to react with the copper(II) sulfate, producing a dark solid, and the excess sulfuric acid, producing hydrogen gas (which causes the fizzing visible in this picture).
Because hydrogen gas is explosive, the beaker should be placed under a fume hood for the duration of the reaction.
ch185.semo.edu /copper/partIIstepA.html   (425 words)

  
 CR Scientific: Experiments: Cupric Sulfate and Sodium Thiosulfate
The first one involves an equimolar ratio of copper sulfate to sodium thiosulfate; the second uses an excess of sodium thiosulfate.
It is likely that sulfate anion itself remains unchanged; cupric ion in solution needs an anion to go with it, and the only ones present in solution were sulfur-based.
It might be instructive to repeat the experiment with cupric chloride instead of cupric sulfate.
www.crscientific.com /article-redox3.html   (1374 words)

  
 Copper Sulfate Color   (Site not responding. Last check: 2007-10-13)
You have also written the name copper(II) sulfate which indicates that the copper is in a cationic form of Cu2+ (the copper metal has lost two electrons), and the sulfur is in an anion complex of sulfate (SO4 2-).
Thus, neither the copper nor the sulfur is in its atomic form.
Further investigations reveal that sulfate containing compounds (sulfuric acid, iron(II) sulfate, sodium sulfate, etc.) are not blue.
www.newton.dep.anl.gov /askasci/chem03/chem03642.htm   (447 words)

  
 016 Copper Reactions
Heating copper(II) hydroxide cause water to be lost.
Zinc reacts with the copper(II) sulfate to produce copper metal.
The disappearance of the blue color in the reduction of the copper ion with zinc metal signals that the reaction is complete.
chemmovies.unl.edu /chemistry/smallscale/SS016c.html   (1441 words)

  
 Information on copper sulfate pentahydrate: Etacude.com
It is prepared by treating copper(II) oxide or copper metal with warm sulfuric acid to give the blue pentahydrate salt.
It is used in agriculture as a pesticide, germicide, feed additive and soil additive.
The mixture consists of copper sulfate, hydrated lime and water.
chemicals.etacude.com /c/copper_sulfate2.php   (405 words)

  
 The Effects of Copper (II) sulfate on weeds
Equipment: Used in this experiment was a dixie cup, Copper (II) sulfate, water, and a weed growing in an lightly travelled obscure area.
Procedure: The first step is to mix a good amount of the Copper (II) sulfate in with a full cup of water.
Although this experiment demonstrates that Copper (II) sulfate is not effective as a herbicide, it perhaps may be for the good as some believe Copper (II) sulfate to be a lethal contaminant.
www.scientificameriken.com /yr3/weed.asp   (230 words)

  
 Copper/Zinc Galvanic Cell (Daniel Cell)   (Site not responding. Last check: 2007-10-13)
The spontaneous chemical reaction between zinc metal and aqueous copper (II) sulfate is conducted so as to obtain the available chemical energy released in the form of electrical energy.
Treat the copper sulfate solution with dilute sodium hydroxide; filter; place the recovered solid in a plastic bag and dispose of with ordinary solid trash.
Discard excess zinc (II) sulfate using large amounts of water at the sink.
dwb.unl.edu /chemistry/dochem/DoChem116.html   (749 words)

  
 CUPRIC SULFATE ANHYDROUS
Synonyms: Copper (II) sulfate (1:1); copper monosulfate; sulfuric acid copper (2+) salt (1:1); blue copper
Death may occur from shock or renal failure.
Fatalities have occurred as a result of ingesting gram quantities of copper sulfate.
www.jtbaker.com /msds/englishhtml/c5920.htm   (1307 words)

  
 copper(II) sulfate pentahydrate   (Site not responding. Last check: 2007-10-13)
Initial view shows copper atoms in an End-Centered triclinic unit cell, for a net of two copper per unit cell.
to display H - bonds from coordinated water molecule H atoms (donor) to sulfate oxygen atoms (acceptor).
to display H - bonds from uncoordinated water molecule H atoms (donor) to sulfate oxygen atoms (acceptor).
www.luc.edu /faculty/spavko1/minerals/chalcanthite/cuso45h2o-right.htm   (194 words)

  
 Reactions of Copper   (Site not responding. Last check: 2007-10-13)
Since this second reaction produces hydrogen gas, the absence of bubbles as well as the disappearance of the blue color shows that the reaction is finished.
First, the zinc reacts with the copper(II) sulfate to give back our original copper (Back at last!).
Zinc metal reacts with copper(II) ions in water to produce copper metal and zinc(II) ions.
dwb.unl.edu /Chemistry/MicroScale/MScale04.html   (966 words)

  
 Safety (MSDS) data for copper (II) sulfate   (Site not responding. Last check: 2007-10-13)
Click here for data on copper sulfate in student-friendly format, from the HSci project
Synonyms: cupric sulfate, cupric sulphate, blue vitriol, copper (II) sulfate 5-hydrate, copper sulphate, BCS copper fungicide, blue copper AS, copper (2+) sulfate pentahydrate, Salzburg vitriol, sulfuric acid copper (2+) salt, trinagle, vencedor
If not, this page is a copy made by some other person and we have no responsibility for it.
ptcl.chem.ox.ac.uk /MSDS/CO/copper_II_sulfate.html   (276 words)

  
 Copper sulfate (pentahydrate) Use
Copper sulfate (pentahydrate) - Pesticide use statistics for 2004
Top 50 Crops and Sites for for Copper sulfate (pentahydrate) use in California in 2004
Regional Use for Copper sulfate (pentahydrate) on All Sites in 2004
www.pesticideinfo.org /Detail_ChemUse.jsp?Rec_Id=PC33541   (893 words)

  
 General Chemistry Online: FAQ: Introduction to inorganic chemistry: What is blue vitriol?   (Site not responding. Last check: 2007-10-13)
The compound also occurs naturally as the mineral chalcanthite- one of the few soluble sulfate minerals.
The blue will reappear if the anhydrous copper sulfate is exposed to even small amounts of moisture, making it sometimes useful as a spot test for water.
Copper sulfate's toxicity has curtailed its use as an algaecide and fungicide.
antoine.frostburg.edu /chem/senese/101/inorganic/faq/blue-vitriol.shtml   (319 words)

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