-
挥发性有机化合物(VOCs)混合标准液(混标),6种混合物组合苯系物浓度各为2,00μg/ml溶于吹扫捕集甲醇中
-
硝基苯标准溶液,98-95-3,1000μg/ml,in Methanol
-
IARM FE316L-18/G S31603标样
-
NCSZ-Fe-2020(1) 标样/水质Fe铁质控样100μg/L
-
NCSZ-Fe-2020(5) 标样/水质Fe铁质控样1.37μg/mL
-
NCSZ-Fe-2020(3) 标样/水质Fe铁质控样0.401μg/mL
-
NCSZ-Fe-2020(6) 标样/水质Fe铁质控样0.700μg/mL
-
NCSZ-Fe-2020(4) 标样/水质Fe铁质控样1.08μg/mL
-
NCSZ-Fe-2020(7) 标样/水质Fe铁质控样1.50μg/mL
-
NCSZ-Fe-2020(8) 标样/水质Fe铁质控样0.21μg/mL
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