Aroclor-Mix 1242,1254,1260 1:1:1 标准品
10ng/ul于环己烷,10mlAroclor 1260(PCB C12H5Cl5和C12H4Cl6和C12H2Cl8)标准品
10ng/ul于环己烷,10mlAroclor 1248(PCB C12H7Cl3和C12H6Cl4和C12H5Cl5)标准品
10ng/ul于环己烷,10ml7种PCB混标(No.28,52,101,118,138,153,180)标准品
10ng/ul于乙腈,10ml7种PCB混标(No.18,28,52,101,138,153,180)标准品
10ng/ul于环己烷,10mlPCB-Mix 1(多氯联苯6混标,NO:28,52,101,138,153,180 标准品)
10ng/ul于环己烷,10ml