Organic Chemistry

Topics: Present tense, Grammatical tense, Writing Pages: 7 (2306 words) Published: October 24, 2013

Determination of Gold from Goldfish

The abstract is a condensed version of the entire lab report (approximately 250 words). A reader uses the abstract to quickly understand the purpose, methods, results and significance of your research without reading the entire paper. Abstracts or papers published in scholarly journals are useful to you when you are conducting library research, because you can quickly determine whether the research report will be relevant to your topic. The material in the abstract is written in the same order as that within the paper, and has the same emphasis. An effective abstract should include a sentence or two summarizing the highlights from each of the sections: introduction (including purpose), methods, results, and discussion. To reflect the content (especially results and conclusions) of the paper accurately, the abstract should be written after the final draft of your paper is complete, although it is placed at the beginning of the paper. Begin the abstract with a brief, but specific, background statement to introduce your report. State your main purpose or objective and hypothesis. Describe the important points of your methodology (species/reagents/ingredients, the number of subjects or samples, and techniques or instruments used to make measurements). Summarize the main results numerically and qualitatively (include standard errors and p values as required). Summarize the major points from the discussion/conclusion. Focus on the points that directly relate to your hypothesis/question. For each type of information, use the same tense as in each corresponding section (i.e., past tense for methods and results, present tense for theory and conclusions). Keywords: albumin, casein, invertase, Bradford Assay, Warburg-Christian Assay, Benedict’s reagent INTRODUCTION

Why did you study this problem? The introduction should identify the problem or issue and provide the background information (on previous work and/or theories) that the reader needs to understand your experiment. To do this, the introduction contains a brief literature review to describe previous research conducted on the problem, and to explain how the current experiment will help to clarify or expand the knowledge. The introduction should end with a purpose statement (sometimes in the form of a hypothesis or null hypothesis): one sentence which specifically states the question your experiment was designed to answer. e.g., The purpose of this investigation was to determine the effects of environmentally realistic exposures of acid precipitation on productivity of field-grown and chamber-grown peanuts. (as a purpose statement) or The hypothesis was that environmentally realistic exposures of acid precipitation would affect the productivity of both fieldgrown and chamber-grown peanuts. (as a hypothesis) or The null hypothesis was that environmentally realistic exposures of acid precipitation would not affect the productivity of either field-grown or chamber-grown peanuts. (as a null hypothesis) Use resources such as your textbook, course notes, and journal articles to build the foundation, and use examples of similar experiments/results that others have done that support your hypothesis. Don't forget to document your sources using appropriate referencing style for your discipline.Use any appropriate background information from the lab manual and the lectures. Clearly state your purpose and hypothesis at the end. Use the present tense for most of the information in the Introduction (for current or accepted theory), but the present perfect and the past where logic demands (for specific results of previous studies). MATERIALS AND METHODS

What did you do? How did you do it? In this section you will describe how and when you did your work, including experimental design, experimental apparatus, methods of gathering and analyzing data, and types of control. Include complete details and write this section clearly enough...
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