Name: Lawrence D. Mandras Date: August 17‚ 2013 Rating:_____ Yr. & Course: BSED-IV Laboratory Experiment no. 2 The Living Plant Cell Objectives: * To study the different types of plant cells. * To observe plant cells as to their shapes‚ structures and function. Materials: Microscope cover slip glass slide water onion Iodine soln. hydrilla salt tomato razor blade Medicinal dropper epidermal tissue of rhoeo-discolor
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PCB3023L Fall 2013 PCB 3023L CELL BIOLOGY LABORATORY COURSE SYLLABUS FALL 2013 Course Supervisor Valerie Carson Office: ISA 3008 vcarson@usf.edu Office hours: Mondays‚ 11:00-1:00 pm * When e-mailing Valerie‚ please include your course # & section # Lab TAs Section 1 2 3 4 7 8 9 Day Tuesday Tuesday Wednesday Wednesday Thursday Thursday Tuesday Time 08:35am-11:25am 11:50am-02:40pm 08:35am-11:25am 11:50am-02:40pm 11:50am-02:40pm 08:35am-11:25am 06:05pm-08:55pm TA Vedad Delic
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Laboratory Techniques & Measurements Lab #1 January 31 2014 PH 148 Chemistry I Objectives • Become familiar with several important laboratory techniques. • Gain proficiency with some of the common measuring devices used in a chemistry laboratory. • Determine the volume‚ mass‚ length‚ temperature‚ and density of objects and liquids. Materials Materials Label or Box/Bag Qty Item Description Student provides 1 1 1 1 1 1 1 1 1 Metric ruler‚ cm (centimeter)
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are especially pure mixtures with exactly known concentrations. Primary standards are very pure solids. They have the advantage that they can be weighed (the analytical balance is normally the most accurate instrument in the laboratory) and they are stable under laboratory conditions. In this experiment‚ the primary standard is oxalic acid dihydrate‚ H2C2O4 ( 2H2O. It will be used to standardize a solution of sodium hydroxide. Sodium hydroxide solutions pick up carbon dioxide from the air
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during recrystallization. Experimental method1 Approximately 2.50g iodide and 1.01g tin were weighed on a balance and were placed in an Erlenmeyer flask. Approximately 10ml toluene was added to the flask. The mixture was heated on a hot plate at almost boiling temperature and was stirred using a stirring rod till the purple color in the flask faded. The solution was gravity filtered to remove solid impurities. The filtrate was set aside to cool to room temperature and was set in an ice bath for
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BSC 2011L – Biodiversity Lab Spring 2013 Syllabus TA’s name: ______________________ Office location: ______________________ E-mail: ______________________ Office hours: ______________________ Lab Supervisor: Irmgard Lukanik (for problems that cannot be resolved with the TA) E-mail: ilukanik@usf.edu Office: ISA 3004 Introduction and Objectives – This course is a hands-on introduction to biodiversity. You will become familiar
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Preparation In a dry round bottom flask‚ 1.5mL of cyclohexanone was added with 5mL of methanol. The solution was cooled in an ice bath for 3 minutes after which 0.2g of sodium borohydride was measured and added to the solution. Upon mixing‚ a gas was formed (bubbles). The round bottom flask was removed from the ice bath and placed at room temperature. After 10 minutes at room temperature‚ 5.0mL of 3M NaOH and 2.0mL of distilled water was added to the solution. Isolation and Characterization The
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Making aspirin Pass Introduction: In this assignment I will describe making aspirin by using Method 2. Risk assessment: |Hazardous chemical or | | | |microorganism being used or made‚ | | | |or hazardous procedure or |Nature of the hazard(s) |Control measure
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The first part was the preparation of 250ml of 1.0 M sodium hydroxide (NaOH) solution from a solid. Using a top-loading balance‚ ____ g of NaOH was transferred to a clean Erlenmeyer flask. Distilled water was then added until the solid was completely dissolved. The solution was transferred to a 250ml volumetric flask and mixed. Once mixed‚ the solution was bulked to the mark and mixed again. Finally‚ the solution was transferred to a clean plastic bottle and labeled. The second part was the
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100 M NaOH 40 mL of 96% ethanol phenolphthalein as an indicator (3 drops per titration) 325 mg non buffered aspirin tablets Materials Used: One spatula Two Erlenmeyer flasks‚ 250 ml One weighing scale (with uncertainly +-0.005g) 1000 ml graduated cylinder Buret One metal stand Buret clamp 50 cm3 conical flask Procedure: The metal stand was assembled with the buret. The latter one was filled with 0.100 M NaOH to just above the 0.00 mark. There was no bubbles apparent in the burette
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