| 1.Gas chromatography (GC) is a common type of chromatography used in analytic chemistry for separating and analyzing compounds that can be vaporized without decomposition.译文：气相色谱（ＧＣ）是色谱的一种常见形式，可用于分离、分析那些受热气化但不分解的化合物。 | |
| | 2.UV/Vis spectroscopy is often used in the quantitative determination of solutions of transition metal ions and highly conjugated organic compounds. 译文：紫外-可见分光光度计经常用来定性分析金属离子和有机化合物。 | |
| | 3.The instrument used in ultraviolet-visible spectroscopy is called a UV/vis spectrophotometer。译文：紫外-可见吸收光谱法中使用的仪器称为紫外-可见分光光度计。 | |
| | 4.Substances and the form of a substance used in a chemical process should be chosen so as to minimise the potential for chemical accidents, including releases, explosions and fires. 译文：化学过程中使用的物质及物质的形态应当选择用以尽量减少发生包括释放、爆炸及火灾之类的潜在的化学事故。 | |
| | 5.If there was not an alternative, they would then find a way of using the carbon dioxide in some other process.译文：如果没有替代方案，他们就会寻找途径将二氧化碳用于其他一些过程。 | |
| | 6.It uses a polar stationary phase and a non-polar, non-aqueous mobile phase, and works effectively for separating analytes readily soluble in non-polar solvents.译文：它利用极性流动相和非极性、非液体的固定相，可高效地分离易溶于极性溶剂中的电解液。 | |
| | 7.This amount of energy is specific to a particular electron transition in a particular element, and in general, each wavelength corresponds to only one element.译文：某元素中特定电子的跃迁所需能量是特定的，一般来说，一种原子与一个波长相对应。 | |
| | 8.The technique can be used to analyze the concentration of over 70 different metals in a solution.译文：这种技术可以用来分析一种溶液中超过70种不同离子的浓度。 | |
| 1.极性 | |
| | 2.quantitative analysis | |
| | 3.保留时间 | |
| | 4.压缩气体 | |
| | 5.occupational hazards | |
| | 6. 分析方法 | |
| | 7.alumina | |
| | 8.载气 | |
| | 9.atomic absorption spectrometry | |
| | 10.renewable resources | |
| | 11.金属离子 | |
| | 12.normal phase chromatography | |
| | 13. 柱色谱 | |
| | 14.stationary phase | |
| | 15.负面影响；负面效应 | |
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