Research on Magnet materials • Alnico Magnets Alnico magnet alloy is largely comprised of Aluminum‚ Iron‚ Cobalt and Nickel. Alnico is a moderately expensive magnet material because of the Cobalt and Nickel content. Alnico magnet alloy has high maximum operating temperature and a very good corrosion resistance. Some grades of Alnico alloy can operate upwards of 1000C. Magnets made with this alloy are available in a variety of grades and dimensions and they are usually cast. Alnico magnet material
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The Feasibility of Eggplant (Solanum melongena) as Household Cleaner and Disinfectant Kurt Michael Cabarles Noreli Gravines Roselle Ariana Quintos Kristia Rago Gerlain Jane Ramirez Camille Angelique Taborlupa Submitted in partial fulfillment of the requirements in Research II Taguig Science High School December 2‚ 2013 Ms. Janeth G. Mamansag Chapter I: Introduction Household cleaner and disinfectant is widely used in the world because of its effectiveness in helping clean the environment
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PLANT CELL Introduction Plant cell is the basic unit of structure and function in nearly all plants. The range of specialization and the character of association of plant cells are very wide. In the simplest plant forms a single cell constitutes a whole organism and carries out all the life functions. In just slightly more complex forms‚ cells are associated structurally‚ but each cell appears to carry out the fundamental life functions‚ although certain ones may be specialized
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trace amounts of sodium ions in a compound produce a very strong yellow flame‚ often times making the potassium ion very difficult to detect. To counteract the effects of any sodium impurities‚ one can view the flame through a piece of cobalt blue glass. The cobalt glass absorbs the yellow light given off by sodium while letting most other wavelengths of light pass through. In this activity‚ wooden splints dipped in solutions of metal salts are heated using a Bunsen burner‚
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higher temperature alloys such as Titanium‚ Inconel‚ and Stainless Steel‚ a Cobalt composition bit is recommended. Cobalt steel alloys are made of a solid composition of high speed steel which contains more cobalt. Cobalt drill bits are designed for speed and longevity when using proper drilling techniques. They hold their hardness at much higher temperatures and are used to drill hard materials. The main disadvantages of cobalt steels are that they are more brittle than standard HSS‚ are not easily
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first step in analyzing it. Calcium ions can be analyzed by precipitation with oxalate in a basic solution to form CAC2O4.H 2O. Ca2+(aq) + C2O42- (aq) + H2O(l) CAC2O4.H 2O(s) This will yield us large‚ easy to filter‚ mostly pure crystals of precipitate if carried out slowly over a long period of time‚ allowing for proper and complete precipitation. This precipitate is soluble in acidic solution seeing as oxalate anion is a weak base‚ which allows a slow precipitation by dissolving CA2+ and
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cations generally do not form precipitates www.answers.com › ... › Science › Chemistry › Inorganic Chemistry cations of group 1 and 2. other groups DO form precipitates. cations ... Calcium‚ strontium and Barium form white precipitates of their oxalates with C2O4-2 ions. [PDF]24 Solubility Rules - Arapahoe High School arapahoe.littletonpublicschools.net/portals/7/.../solubilityruleslab.pdf How do we know which ionic compounds form precipitates and which do not? We can make a large number of mixings
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Haider Qasim Hamood MBChB; DMRD; FIBMS (Radio-Diagnosis) Abstract: Background: Renal stone is one of the most common causes of acute abdomen. There are many types of renal stones depending on stone chemical components those including calcium oxalate stone‚ struvite stone‚ uric acid stone and cystine stone. Spiral computed tomography (CT) and computed radiography (CR) are more valuable diagnostic imaging modalities in describing and evaluating the renal stone site‚ size and density in Hounsfield
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CJ Tavner 2/04/2013 Chemistry Lab: Equilibrium and LeChatelier’s Princinple Objective: Put stresses on the systems; observe how the equilibrium’s systems react to a stress. Materials and Procedures: A. Materials 1. NaCl(s) 2. KSCN‚ 0.002M 3. Bromythymol blue indicator solution 4. AgNO3‚ 0.1 5. CoCL2 x 6H2O(s) 6. HCl‚ 12M 7. HCL‚ 0.1M 8. NaOH‚ 0.1M 9. Fe(NO3)3‚ 0.2M 10. C2H5OH(l) 11. Na2HPO4(s) 12.
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Tube color: Lavender Department: Hematology Additive: EDTA Additive purpose: Binds to Ca in the blood to prevent clotting Centrifuged?: No Why?: Need whole blood. Special Considerations: invert 6-8x‚ fill 2/3 of the way full. Tests preformed: CBC‚ RBC‚ WBC‚ WBC Diff‚ Hct (% of RBCs)‚ Hgb (weight of hemoglobin)‚ Platelet Count‚ SED Rate (looks for inflammation‚ also can be drawn in black tube)‚ HGBA1C (3mnth cal for diabetes) Tube color: LT. Blue Department: Coagulation Additive: Sodium
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