gas chromatographic purity

例句：

1. 1. The gas chromatographic purity of the sample iscrucial for its analysis.
   样品的气相色谱纯度对于其分析至关重要。
2. 2. The manufacturer claimsthat their product has a high gaschromatographic purity.
   制造商声称他们的产品具有高气相色谱纯度。
3. 3. The researchfocused on improving the gas chromatographic purity of the solvent.
   该研究专注于提高溶剂的气相色谱纯度。