分析化学Analytical chemistry测定determination 表征characterization 参数parameter 聚合物polymer滴定titration浓度concentration定性qualitative定量quantitative 化学组成chemical composition醋酸acetic acid氢气hydrogen分子化合物molecular compound 共价键covalent bond氢氧化钾patassium hydroxide 电负性electronegativity反应物reactant氧化数oxidation number氧化剂oxidizing agent还原剂reducing agent质量守恒mass balance电荷守恒charge balance过氧化物peroide结晶crystallisation溶解度solubility母液mother liquid蒸发器evaporator冷凝器cooler密度density浓硫酸sulfuric acid溶剂solvent蒸馏distillation冷凝器condensate回流reflux间歇操作batch operation连续操作continuous operation单元操作unit operation闪蒸flash distillation加热器heater组分component物料衡算material balance平衡曲线equilibrium curve精馏rectification熔点melting point 沸点boiling point泡点bubble point露点dewpoint再沸器reboiler分馏柱fractionating column塔底产品bottom product塔顶产品overhead product热交换器heat exchanger精馏段rectifying section提留段stripping section催化剂catalyst样品sample丙酮acetone官能团functional group羧酸carboxylic acid乙醇alcohol醛aldehyde酮ketone乙酸acetic acid自然科学natural science化学过程chemical process蒸馏技术the technique of distillation化学式chemical formula结构式structural formula化学方程式chemical equation可逆反应reversibl
e reaction 放热反应exothermic reaction吸热反应endothermic reaction置换反应displacement reaction石油工业petroleum industry
NaNO2 :sodium nitrite KBr:potassium bromide (NH4)2SO4:ammonium sulfate H2CO3:carbonic AL(OH)3:aluminum hydroxide FeCl3:iron(Ⅲ)chloride NaCN:sodium cyanide HNO3:nitric acid SO2:sulfur dioxide HCl:hydrochloric acid
共沸混合物zaeotrope异丙基isopropyl死硼酸盐tetraborate过饱和现象supersaturation钠sodium盐析salting-out晶核nuclei衍生物derivative过渡金属transition metals 锌zinc自然科学natural science中和反应neutralization reaction放热反应reaction英语exothermic reaction氯乙烯vinyl chloride碳氢化合物hydrocarbon室温room temperature原子atom分子molecule物质substance元素element粒子particle组成composition有机化合物organic compound无机物inorganic substance元素周期表The periodic table of elements质子proton电子electron 中子neutron原子质量atomic weight原子序数atomic number同位素isotope能级energy level惰性气体noble gas卤素sulfur活泼金属active metal碱金属alkali metal碱土金属alkali earth metal过度金属transition mental贵金属noble metal液体liquid固体solid阳离子cation阴离子antion离
子化何物ionic compound硝酸铵ammonium nitrate结构式structure formula分子式molecular formula双键double bond烷烃alkane烯烃alkene炔烃alkyne

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