玺标（上海）科技基体标物/质控样品：ST-023-01Z-23Z乙腈中8种雌激素类药物内标混标 GB31658.9-20215μg/mL1ml

玺标（上海）科技基体标物/质控样品：ST-023-01Z-22Z甲醇中22种兽药混标BJS201713-A组100μg/mL1ml

玺标（上海）科技基体标物/质控样品：ST-023-01Z-21Z甲醇中37种VOC混标/化安规-2015版1000μg/mL1ml

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