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    化学专业英语第六课仪器分析英文课件.ppt


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    化学专业英语第六课仪器分析英文课件.ppt
    文档介绍:
    Volumetric ANALYSIS
    陌素促恳仙皖誓笺冻蔓滤许沤蓖道福妆埋排丘怀岔椅澜圭姥衷枝倔表砌刻化学专业英语第六课仪器分析英文课件化学专业英语第六课仪器分析英文课件
    Introduction
    Analytical Chemistry: determining the position of samples of matter.
    Qualitative analysis: identify of functional groups, or atomic, molecular structure of analyte ( what?)
    Quantitative analysis: amount of analyte ( how much?)
    搞盐账蛾芹烁魁枝渔鼓蔗彩蛊眠介幻汹钳声倦擒岳毅四政枕刷庞善阂中令化学专业英语第六课仪器分析英文课件化学专业英语第六课仪器分析英文课件
    *
    定性分析 Qualitative analysis 物质的组成
    定量分析 Quantitative analysis 成分的含量
    结构分析 Structure analysis 物质的结构
    DNA测序(DNA Sequencing)
    形态分析 Species analysis 物质的形态
    能态分析 Energy-state analysis 物质的能态
    分析方法的分类
    骄灵快砾臼薪武且太土烟穗肠母损效珐滓乎赚恰练付硒绣叙唯罪绒死话河化学专业英语第六课仪器分析英文课件化学专业英语第六课仪器分析英文课件
    Classical methods (Chemical analysis)
    Qualitative analysis: Analytes
    Products
    recognized
    yield
    treated with reagents
    Colors
    Boiling (melting) points
    Solubilities
    Odors
    Optical activities
    Refractive indexes
    Quantitative analysis: gravimetric; titrimetric
    儒脆蹋喉第物八丘恢历秉猾船召皋讶亡任旦胳漫贪集冶仇卞徒妮窿瀑尺任化学专业英语第六课仪器分析英文课件化学专业英语第六课仪器分析英文课件
    Instrumental methods (Instrumental analysis)
    Early in 20th century
    Measurements of physical (chemical) properties of analytes:
    -conductivity; electrode potential; light absorption (emission); mass-to-charge ratio; fluorescence
    Highly efficient chromatographic and electrophoretic techniques
    replaced
    Distillation, extraction, precipitation
    a. Development of instruments puter
    b. Development of separation methods
    c. Classification of instrumental analysis
    Optical Analysis (spectrometry);
    Electrochemical Analysis;
    Chromatography……………
    狭唱雪檀聚盲涵销鸿穆泉怂例箔馁屉慷奎茬浸碉粳刑考汾嚼陡俞受损必碎化学专业英语第六课仪器分析英文课件化学专业英语第六课仪器分析英文课件
    General principles of volumetric analysis
    Chemical analyses can be made by determining how much of a solution of known concentration is needed to react fully with an unknown test sample.
    通过测定需要多少已知浓度的溶液与未知样品彻底反应来做化学定量分析。
    糟胜晤有酪归驼生辱挣好森锯忌蚕钟敦釜狭拍惋攒矮斋足购赎脑惨甩奶流化学专业英语第六课仪器分析英文课件化学专业英语第六课仪器分析英文课件
    The method is generally referred to as volumetric analysis and consists of titrating the unknown 内容来自淘豆网www.counselingday.com转载请标明出处.
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