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28种元素ICP-MS混标,100mg/L溶于2% HNO3 + Tr HF
4-氨基-3-巯基-4H-1,2,4-三唑
2'-羟基-5'-硝基苯乙酮
GC 自动进样器进样针 用于Agilent , 0.5μL, RN, 42mm, 23, Cone
SCREW-THREAD RETAINING NUT, "TYPE N" SCREW-CAP, DISC-RING, O-RING, ST 29 BORE 10 MM
LiChroCART 30-2,LiChroprep RP-8 15-25μm定制柱
联合固氮菌培养基
溴氰菊酯质控样
睾酮(睾丸甾酮),100ng/ul于乙腈 标准品
Ismaprene Welded Stoppers for autoclaving; for MS/CA cassettes; ID 2.79mm