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    Qualitative Cation Test

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    Data Table: Qualitative Cation Tests Name Test Tube 1: HClNH3 Test Tube 2: NaOHExcess Aluminum 3+ No precipitate Slightly milky Dissolves Ammonium + No Precipitate No precipitate Calcium 2+ No Precipitate Milky white precipitate Precipitate does not dissolve Copper 2+ No precipitate Became much darker blue and milky Iron 3+ Brighter yellow Orange precipitate that then dissolves Lead 2+ Milky white precipitate Precipitate gets more milky Silver + Milky white precipitate Precipitate gets

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    QUALITATIVE TESTS FOR SOME CATIONS II CHEMISTRY 11.1 OCTOBER 5 2013 QUALITATIVE TESTS FOR SOME CATIONS II I. Introduction Qualitative analysis schemes are often based on selective precipitation of different cations. By carefully selecting reagents and conditions for reactions‚ groups of ions can be separated on the basis of their reactivity and the solubility of their salts. This enables the experimenter to use simple techniques with standard laboratory equipment‚ as well as to learn

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    Experiment # 8 Qualitative Analysis of Cations Objectives Part I: Separate a mixture of known cations: Pb2+‚ Fe3+‚ Al3+‚ Cu2+‚ and Ca2+ into individual ions. Perform a series of tests to become familiar with reactions characteristic of each cation. Part II: Separate and identify individual cations in an unknown solution containing a mixture of up to five cations. Use information gathered in part I to identify the cations. Introduction Qualitative analysis is a general name for the process

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    Qualitative Cation Tests Peter Jeschofnig‚ Ph.D. Version 42-0194-00-01 Lab Report Assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing

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    Qualitative

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    Qualitative research methodologies comes from the understanding of f disciplines‚ including anthropology‚ sociology‚ psychology‚ linguistics‚ communication‚ economics‚ and semiotics. Historically‚ qualitative methodologies have been available much longer—some as early as the 19th century than the quantitative tools marketers rely on so heavily. (2014) Donald R. Cooper Quantitative research attempts precise measurement of something. In business research‚ quantitative methodologies usually measure

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    Separation and Qualitative Determination of Cations and Anions Instructor’s Guide Master Materials List (complete for 24 students working in pairs) Silver nitrate‚ AgNO3‚ 0.2 M‚ 100 mL* Silver nitrate‚ AgNO3‚ 0.1 M‚ 100 mL* Cupric nitrate‚ Cu(No3)2‚ .02 M‚ 100 mL* Zinc nitrate‚ Zn(NO3)2‚ 0.2 M‚ 100 mL* Ferric nitrate‚ Zn(NO3)2‚ 0.2 M‚ 100 mL* Hydrochloric acid‚ HCl‚ 6 M‚ 125 mL* Nitric acid‚ HNO3‚ 6 M‚ 125 mL* Ammonia‚ NH3‚ 6 M‚ 125 mL* Sulfuric acid‚ H2SO4‚ 6 M‚ 125 mL* Acetic acid

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    Qualitative Paradigm

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    The Qualitative Paradigm   The design of a research study begins with the selection of a topic and a paradigm. A paradigm is essentially a worldview‚ a whole framework of beliefs‚ values and methods within which research takes place. It is this world view within which researchers work. According to Cresswell (1994) "A qualitative study is defined as an inquiry process of understanding a social or human problem‚ based on building a complex‚ holistic picture‚ formed with words‚ reporting detailed

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    qualitative research

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    PART ONE Introduction to Qualitative Research CHAPTER 1 The Nature of Qualitative Research: Development and Perspectives This chapter is an attempt to trace the background of qualitative research‚ its development and its main features. It also focuses on some epistemological and methodological issues. The aim is to put the more pragmatic and practical sections in the book into a theoretical and methodological context. Qualitative research is a form of social inquiry that focuses

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    Qualitative Research

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    Qualitative Research According to Melnyk & Fineout-Overholt (2011)‚ qualitative research is used when a “certain concept or phenomenon is not well understood or is inadequately covered in the literature (Melnyk & Fine-Overholt‚ 2011‚ p.435). Qualitative research is also used when the researcher wants to work towards a relationship with the participant (Conceptualizing‚ 2012). It is important to employ research tactics such as qualitative research so that the nurse can better understand certain

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    Qualitative Critique

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    IntroductionThis study examined qualitative research on "Pregnancy and protection: Perceptions‚ attitudes and experiences of Australian female adolescents" to determine designs and methods used and to discover emergent themes across study. Most of the study reviewed was described as qualitative or phenomenological by design and included samples comprising of Australian females participants exclusively. Based on analysis of the collective primary findings of the sample research studys‚ three themes

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