玺标（上海）科技基体标物/质控样品：ST-020-52A-00A正己烷中PCB77-d6和PCB156-d3混标HJ715/74310μg/ml1ml

玺标（上海）科技基体标物/质控样品：ST-020-51A-68A甲醇种20种VOC混标1000mg/L1ml

玺标（上海）科技基体标物/质控样品：ST-020-51A-59A正己烷中PCB28-d4和PCB114-d4混标HJ715/HJ74310μg/ml2ml

玺标（上海）科技基体标物/质控样品：ST-020-49A-89A甲醇中6种硝基苯类混标100μg/ml1ml

玺标（上海）科技基体标物/质控样品：ST-020-48A-76A甲醇中3种三氯苯类混标200μg/ml1ml

玺标（上海）科技基体标物/质控样品：ST-020-10Z-55Z甲醇中12种酚类混标-GB/T19427-2022100μg/mL1ml