玺标（上海）科技基体标物/质控样品：土壤中钴/火焰原子吸收法/HJ1081-2019ZCRM159235mg/kg瓶50g

玺标（上海）科技基体标物/质控样品：土壤中钴/火焰原子吸收法/HJ1081-2019ZCRM1591102mg/kg瓶50g

玺标（上海）科技基体标物/质控样品：土壤中总磷LY/T1232-2015酸熔-钼锑抗比色法ZCRM1598高浓度瓶40g

玺标（上海）科技基体标物/质控样品：土壤中总磷LY/T1232-2015酸熔-钼锑抗比色法ZCRM1597低浓度瓶40g

玺标（上海）科技基体标物/质控样品：城市污水处理污泥中有机物Z7449ZCRM063034.97±0.34%瓶100g

玺标（上海）科技基体标物/质控样品：城市污泥中8种金属CJ/T221-2005ZCRM1257浓度见证书瓶40g