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venusil XBP C18(L)色谱柱
5种元素ICP-MS混标,Ag/Sn/Sb/Zr/W,2mg/L溶于2% HNO3 + Tr HF
GC 自动进样器进样针 250 μL RN GT, 50mm, 23, Side
5-甲基糠醛
BOTTLES,FEP, WIDE NECK, HIGH RESISTANCE BOTH TO HEAT + CHEMICALS ATTACKS, 100 ML,
1.5%qf-1 on chromosorb waw dmcs60-80
3种内标混标
1,3-二异丙基咪唑氯
LiChroCART 75-4,Superspher 100 RP-18 4 μm定制柱
AT-SILAR-9015M0.25MM0.20UM