Monographs on bulk pharmaceutical chemicals usually cite one of three types of purity tests:(1) a chromatographic purity test coupled with a nonspecific assay;

有关散装化学药品的正文通常引证三种纯度测试的其中一种：（1）具有非专属性分析的色谱法纯度检查；

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If it seems off, and yet the label claims it is pure, there are a few simple tests you can run to check the purity of the honey.

如果买来的蜂蜜看起来像是、标签上也强调那是纯正的，你可以用以下几个简便的方法检测一下那是否真的纯正。

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Studying on some plant cobalt aqueous phase, it carried out high-purity cobalt oxide or cobalt oxalate preparation tests in the laboratory.

以某厂含钴水相为研究对象，在实验室开展了高纯氧化钴或草酸钴的制备试验。

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Because of the indirect mechanism of its toxicity and its specificity for human cells, the contaminant had been undetectable in both the standard, sophisticated screening tests that are supposed to assure a drug's purity and quality, and in studies in animals.

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