玺标（上海）科技基体标物/质控样品：ST-020-20A-16A正己烷中18种多氯联苯混标HJ715/HJ743/HJ891100μg/ml1ml

玺标（上海）科技基体标物/质控样品：ST-020-20A-15A26种金属混标500μg/ml50ml

玺标（上海）科技基体标物/质控样品：ST-020-20A-03A甲醇中3种内标混标1000μg/ml1ml

玺标（上海）科技基体标物/质控样品：ST-020-19A-92A二氯甲烷中42种挥发性有机物混标1000μg/ml1ml

玺标（上海）科技基体标物/质控样品：KTY905665甲苯中26种农药混标100μg/ml1ml

玺标（上海）科技基体标物/质控样品：ST-020-19A-82A二氯甲烷中64种挥发性有机物混标1000μg/ml1ml