quantity and composition of the urine reflects various biochemical processes that occur in the body. Thus‚ the composition of the urine of an individual may change when a person is unhealthy or has a disease. In such a case‚ it is common to observe the presence of abnormal components or normal components in abnormal quantities present in the urine. APPARATUS : 1) Test tubes 2) Boiling water bath 3) Microscope 4) Slides and cover slips 5) Pasteur pipettes MATERIALS: 1) pH test strips 2) Benedict’s
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Psidium guajava‚ commonly called as Apple Guava‚ is the most common guava. Psidium guajava plant is a large evergreen shrub or small tree that usually grows up to 15 m in height. It is native in Mexico and Central America and is common throughout all warm areas of tropical America and the West Indies. Today‚ the plant is widely distributed to the Asia and west coast of Africa. In China‚ guavas are used as an anti-inflammatory and hemostatic agent. Guava serves as both food supplement and also very
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stones structure is made of two phases‚ crystalline minerals and non-crystalline organic matrix phases. Renal calculi contains five major types of crystal minerals such as calcium oxalate‚ calcium phosphate‚ struvite‚ uric acid and cystine. Out of these crystals the most common one found in 80% of stones is calcium oxalate. They also contain three major types of non-crystalline organic biomolecules such as proteins‚ lipids and carbohydrates. Usually the stones pass painfully through urination‚ unfortunately
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unboiled -manufacturers generally provide reliable information about their products -the amount of vitamin C content in given fruits is: So the amount of vitamin C and its percentage in fruit juice must go with the given ratio which means that guava and apple juice should have the highest and lowest concentration respectively. Variables: Independent: {text:list-item} Dependent: {text:list-item} Controlled: Materials Required: 6 test tubes‚
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Top of Form Bottom of Form Chemical Compound Formulas Chemistry is the study of the composition of matter and its transformation. A substance can be considered matter with definite properties that establishes its identity. The tremendous number of chemical compounds has been categorized into numerous categories. A broad classification distinguishes between inorganic and organic compounds. Organic compounds are carbon based. Inorganic compounds exclude compounds exclude compounds based on carbon
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PURPOSE: To see which solutions are soluble and which are not. We were able to see this by mixing certain solutions together and observing changes that occurred. PROCEDURE: 1 Cotton Swabs‚ 1 Sheet each of white and black paper‚ 1 Distilled water‚ Goggles-Safety‚ 1 Well-Plate-24‚1 Well-Plate-96‚ Bag-CK1 1 Pipet‚ Empty Short Stem‚ Experiment Bag Ionic Reactions 1 Barium Nitrate‚ 0.1 M - 2 mL in Pipet‚ 1 Cobalt (II) Nitrate‚ 0.1 M - 2 mL in Pipet1 Copper (II) Nitrate‚ 0.1 M - 2 mL in Pipet‚ 1 Iron
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also a fluorescent dye to accept this energy and convert it into light. Although there is more than one recipe for a lightstick‚ a common commercial lightstick uses a solution of hydrogen peroxide that is kept separate from a solution of a phenyl oxalate ester together with a fluorescent dye. The color of the fluorescent dye is what determines the resulting color of the lightstick when the chemical solutions are mixed. The basic premise of the reaction is that the reaction between the two chemicals
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389.92‚ Eq. 73.07g/l 250ml 0.1M = 9.75g = 0.1N | Sodium carbonate Na2CO3‚ FW = 106‚ Eq. =53g/l 250ml 0.05M = 1.325g = 0.1N | Sodium hydroxide NaOH‚ FW = 40‚ Eq. = 40g/l 250ml 0.1M = 1.0g = 0.1N 1 liter 0.1M soln = 4g = 0.1N | Sodium oxalate Na2C2O4‚ FW = 134.00‚ Eq. =134g/l 250 0.1M = 3.35g = 0.1N | Sodium tetraborate NaB4O7.10H2O‚ FW = 381.37‚ Eq. =190g/l 250ml 0.05M = 4.762g =0.1N | Succinic acid HO2CCH2CH2CO2H‚ FW = 118.09‚ Eq. = 59.045g/l 250ml 0.05M = 1.475g = 0.1N |
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anticoagulants and their mode of action. EDTA‚ sodium citrate and potassium oxalate bind calcium. heparin inhibits conversion of prothrombin to thrombin. SPS (sodium polyethanol sulfonate) inhibits phagocytosis 3. Describe how gauge relates to the lumen of the needle. The gauge indicates the diameter or lumen of the needle 4. Identify the lab departments that would require a heparin sample‚ EDTA sample‚ potassium oxalate sample‚ sodium polyethanol sulfate sample‚ sodium citrate‚ and acid citrate
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student the basic solubility rules of salts in aqueous solutions. After developing and using a scheme for the qualitative analysis of three cations in an aqueous mixture‚ a student would use a centrifuge to identify‚ precipitate‚ and separate the three ions in the mixture. After becoming familiar with all three cations‚ the student would use the scheme again to identify at least two of the cations in an unknown solution. In order to begin the separation process‚ HCl is added to the mixture of cations
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