利用常规的滴定分析方法测定了电解液中各种离子的浓度，并利用气相色谱测定了电解气中的氧气纯度(体积分数)。
T he concentrations of ions in electrolyte were measured by normal analysis method, and the content of oxygen in electrolysis gas was measured by gas chromatography.
产品纯度和结构由气相色谱、气质联用仪及核磁共振仪确定。
The purity and structure of the product was examined by GC GC-MS and NMR.
建立了用毛细管气相色谱法测定甲苯二异氰酸酯纯度的方法。
The method that analyzes the purity of toluene diisocyanate by capillary gas chromatograph was established.
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