Washington‚ D.C.‚ 20044. Gopalan‚ C.‚ Ramasastri‚ B.V. and Balasubramanian‚ S.C.‚ 1996‚ Nutritive value of Indian foods‚ National Institute of Nutrition‚ ICMR‚ Hyderabad. Karva‚ S.L.‚ 2008‚ enrichment of traditional foods with green leafy vegetable for iron security of adolescent girls‚ M.Sc. Thesis‚ UAS‚ Dharwad. Pandey‚ M.‚ Abidi‚ A.B.‚ Singh‚ S. and Singh‚ R. P.‚ 2006‚ Nutritional Evaluation of Leafy Vegetable Paratha‚ J. Hum. Ecol.‚ 19(2): 155-156. Singh‚ S.‚ Punia‚ D. and Khetarpaul‚ N.‚ 2009‚ Nutrient
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greener color‚ because that’s what happens to a lot of statues and sculptures. I theorize that iron will tarnish badly because in air it can get tarnished so oxidation must do something as well. Materials 1 Paper towels 1 Well-Plate 1 Tweezers‚ plastic Experiment Bag Oxidation-Reduction Activity Series 1 Copper (II) Sulfate‚ 1 M - 3 mL in Pipet 1 Iron (III) Chloride‚ 2 M - 3 mL in Pipet 1 Iron Metal‚ 2 pc in Bag 2"x 3" Magnesium Metal (ribbon) - 2 Small Pieces in Bag 2"x 3" 1 Magnesium
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a quarter of hemoglobin. Myoglobin has a molecular weight of 18‚ 000. It has a component of a single polypeptide chain folded into 8 α- helical structure‚ 153 amino acids and one heme group attached at the crevice of the molecule. It also contains iron protoporphyrin 9 as its prosthetic group. The single polypeptide chain‚ which is folded into 8 α- helical structure‚ is assigned a letter for each fold. The letters A-H is used to designate the folds in the chain and the spaces between each fold
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Mixing of two solutions. 55 Class IX EXPERIMENT No: 9 AIM: To study the external features of root‚ stem‚ leaf and flower of monocot and dicot plants. Material Required : Plants of Hibiscus/Peturnia/rose/pea and grass/maize/bamboo/lily or‚ any other ornamental herb with flower and fruits‚ simple or dissecting microscope‚ hand lens‚ slide‚ coverslip and razor /blade. Procedure : 1. 2. 3. Observe the differences in the external features of stem‚ leaf‚ root‚ flowers and seeds. To study the leaf‚ see
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the purchase of potato and green beans‚ so as to meet the conditions of the various constraints to achieve the goal of minimizing the purchase cost. Constraint conditions: Potatoes Green Beans Protein 1.5 g per 100 g → 1.5% 2 g per 100 g → 2% Iron 0.3 mg per 100 g → 0.3% 1.2 mg per 100 g → 1.2% Vitamin C 12 mg per 100 g → 12% 10 mg per 100 g → 10% Q 1) Determine the amount of potatoes and green beans Maria should purchase each week for the casserole to minimize the ingredient costs while
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Upon doing research on heavy metals in our water ways I have come to realize that almost all heavy metals can be found in our rivers‚ streams and drinking water. Aluminum‚ Arsenic‚ Chromium‚ Copper‚ Iron‚ Lead‚ Manganese‚ Nickel‚ Silver‚ and Zinc are all chemical elements. Chromium‚ Copper‚ Iron‚ Manganese‚ Nickel‚ Silver‚ and Zinc which are yellow on the periodic table are considered transitional metals. Aluminum and Lead which are light blue on the periodic table are considered other metals.
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Stainless Steels: must have at least 10% chromium A. Ferritic Stainless Steels: Iron‚ chromium + low carbon a. Magnetic b. Lowest cost c. Non-hardenable i. Can be annealed d. BCC structure e. Low carbon ii. Less than .2% f. Chromium content iii. 16-20% g. B. Martensitic Stainless Steel: iron‚ chromium + higher carbon h. Magnetic i. Martensitic Structure j. Hardenable k. High Carbon
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Mass | 1 | 3.000g | 2 | 5.968g | 3 | 8.935g | 4 | 11.962g | 5 | 14.957g | Average | 8.9644g | Part IV: Determining the Mass of Unknown Weights. Unknown (24.823g) Iron (Fe) | Mass of beaker | 50.000g | Mass of beaker + unknown | 74.823g | Mass of unknown | 24.823g | Unknown (25.167g) Iron (Fe) | Mass of beaker | 50.000g | Mass of beaker + unknown | 75.167g | Mass of unknown | 25.167g | Discussion <Explain‚ analyze and interpret what you observed. Draw
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copper sulfate (blue crystals)‚ sodium chloride (salt)‚ and iron. Copper sulfate is a chemical compound which is produced commercially by reacting various copper (II) compounds with sulfuric acid [1]. It generally appears as a bright blue or green crystal [1]. Its chemical formula is CuSo4. Iron is silver-white magnetic metallic and readily rusts in moist air [3]. Its chemical formula is Fe. The chemical reaction was demonstrated by the iron reacting to the copper sulfate.
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percent of iron in an unknown sample will be determined by using a redox titration and then compared to a different method. A primary standard which in this case is ferrous ammonium sulfate will be used to standardize potassium dichromate. The standardized potassium dichromate will then be used to titrate the unknown iron sample using the indicator p-diphenylamine sulfonate. The standardized potassium dichromate which has a concentration around 0.017 M is then titrated into the unknown iron sample
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