玺标（上海）科技基体标物/质控样品：ST-020-10A-64A甲醇中78种VOC混标GB/T5750.8-2006附录A1000μg/mL1ml

玺标（上海）科技基体标物/质控样品：ST-020-09Z-50Z24种金属混标HJ777100ug/ml50ml

玺标（上海）科技基体标物/质控样品：ST-020-10A-62A22种金属混标(无镧)100μg/ml50ml

玺标（上海）科技基体标物/质控样品：ST-020-10A-61A二氯甲烷中4种亚硝胺类混标HJ8092000μg/ml1ml

玺标（上海）科技基体标物/质控样品：ST-020-10A-59A氟、氯、溴、硝酸根4种混标100μg/mL50ml

玺标（上海）科技基体标物/质控样品：ST-020-10A-52A甲醇中10种氨基甲酸酯类混标HJ960/HJ1025100mg/L1ml