Standard Methods for the Examination of Water and Wastewater 5210 BIOCHEMICAL OXYGEN DEMAND (BOD)*#(1) 5220 CHEMICAL OXYGEN DEMAND (COD)*#(2) 5220 A. Introduction Chemical oxygen demand (COD) is defined as the amount of a specified oxidant that reacts with the sample under controlled conditions. The quantity of oxidant consumed is expressed in terms of its oxygen equivalence. Because of its unique chemical properties‚ the dichromate ion (Cr2O72–) is the specified oxidant in Methods
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3/5/2011 EXPERIMENT EXPERIMENT 8 OBJECTIVES CONCEPTS REAGENTS PROCEDURE RESULTS DISCUSSION IR ANALYSIS 8 Objectives to differentiate various types of oxygen-bearing organic compounds to device a scheme to distinguish each functional group Analysis of Oxygen-bearing Organic Compounds alanx3@yahoo.com OBJECTIVES CONCEPTS REAGENTS PROCEDURE RESULTS DISCUSSION IR ANALYSIS to characterize an unknown sample through parallel chemical tests ARMSALCEDO ARMSALCEDO alanx3@yahoo
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Choosing a particular therapy modality was difficult since I have never tried any of them. Looking up different therapies‚ I was able to find that they have their individual benefit. Therefore‚ I decided to try therapeutic massage because I heard it is relaxing and decreased muscular intensity; it was relaxing‚ indeed. However‚ it was a little painful at first. The massage therapist began the therapy by massaging the top of my head and then moved to the torso muscles where they were more stiffened;
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Occupational therapy is a challenging and captivating job combining creativity and problem solving with the ability to make concrete‚ significant changes in a person’s life. Occupational therapy is a health and rehabilitation profession. Occupational therapists work with people of all ages who need specialized assistance to lead independent‚ productive‚ and satisfying lives due to physical‚ developmental‚ social‚ or emotional problems. Occupational therapists use the "occupations" of self-care‚
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Art therapy is more than simply drawing or painting. Music‚ theatre‚ and dance have become the treatment of choice for many people. One of the largest problems attributed with PTSD is the inability to express emotion. These artistic therapies allow patients to do just that. While researching at the University of Warsaw‚ Beata Hoffman explained that‚ “Choreotherapy is based
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to man. In today’s society horses have found a new value in that they are used in mental health therapy. Therapies range from youth afflicted with Attention Deficit Hyperactivity Disorder‚ (ADHD‚ or ADD) to addressing a range of mental disorders of military personnel. People that have found solace‚ enjoyment‚ and relief from stress while riding horses is now being institutionalized by specific therapy to assist in the treatment of various mental illnesses. The following will provide a brief historical
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| | |What is the empirical formula of a compound that contains 3.609 g calcium and 6.384 g chlorine by mass? | CaCl2 During photosynthesis‚ plants take in carbon dioxide and water and convert it into glucose and oxygen. If a plant makes 30 grams of glucose (C6H12O6)‚ how many moles of glucose has it produced? 0.17 moles The health of bones depends upon a good supply of calcium. If a person consumes 0.06 g of calcium‚ how many moles of calcium did he consume
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While both laser therapy and scaling and root planing are both effective treatment methods for periodontal disease‚ scaling and root planing is used as a traditional method also called a deep cleaning while laser therapy is used as a relatively new alternative therapy. Both methods are usually used for patients who have periodontal disease with gingival pocket depths over 4mm. Though scaling and root planing has been the conventional treatment in the past‚ since 2008 laser therapy has doubled in
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Occupational Therapy: What Puts it Above the Rest Occupational Therapy is one among many other therapeutic ways in which to correct a physical or mental problem. This type of therapy could be defined as “a form of therapy for those recuperating from physical or mental illness that encourages rehabilitation through the performance of activities required in daily life.” Through occupational therapy‚ there is hope to regain majority to full use in the area that was damaged. There are many different
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Occupational Therapy and its role in Autism Spectrum Disorder Occupational Therapy plays a significant role in helping individuals who have Autism Spectrum Disorder become more self-reliant. Many individuals start receiving Occupational Therapy as children to “enhance motor skill development as well as to address sensory integration issues.” (IAN Research Findings: Occupational Therapy) “Occupational Therapy services are defined according to the person’s needs and desired goals and priorities for
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