玺标（上海）科技基体标物/质控样品：ST-023-01Z-20Z丙酮中8种PCB异构体混标EPA525500μg/mL1ml

玺标（上海）科技基体标物/质控样品：ST-023-01Z-19Z乙腈中6种有机磷内标混标GB31656.8-2021不同浓度1ml

玺标（上海）科技基体标物/质控样品：ST-023-01Z-18Z甲苯中8种多氯化萘混标GB40031-20212μg/mL1ml

玺标（上海）科技基体标物/质控样品：ST-023-01Z-17Z甲醇中24种VOC混标DZ/T0064.91-20211000μg/mL1ml

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玺标（上海）科技基体标物/质控样品：ST-023-01Z-16Z丙酮中35种农药混标GB/T39665-2020不同浓度1ml