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NCSZ-COD-2020(40) 标样/水质CODcr化学需氧量质控样10μg/mL
NCSZ-TDS-2020(3) 标样/水质溶解性总固体质控样1000μg/mL
NCSZ-TN-2020(24) 标样/水质TN总氮质控样1μg/mL
NCSZ-TN-2020(23) 标样/水质TN总氮质控样2μg/mL
NCSZ-TDS-2020(1) 标样/水质溶解性总固体质控样400μg/mL
NCSZ-M0204-2020(5) 标样/水质2种混合质控样-钼银Mo,Ag
NCSZ-Br-2020(3) 标样/水质Br溴质控样20μg/mL
NCSZ-HCO3-2020(1) 标样/水质重碳酸根质控样20.0μg/mL
NCSZ-NO2N-2020(3) 标样/水质NO2N亚硝酸盐氮质控样66.8μg/L
NCSZ-TN-2020(26) 标样/水质TN总氮质控样5.43μg/mL