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25-羟基维生素D校准溶液,大量现货
¥650
Radium-228 Radioactivity Solution
Strontium-90 Radioactivity Standard Solution)
Carbon-14-n-hexadecane Radioactivity Standard
Curium-244 RadioactivityStandard
食用油中的生育酚
Natural Uranium Radioactivity Standard
多种维生素/多种元素片剂
海洋沉积物粉
LSVEC (碳酸锂中的碳、氧和锂同位素);LSVEC (Carbon, Oxygen, and Lithium Isotopes in Lithium Carbonate)
Holmium-166m Gamma-ray Emission Rate Standard
Plutonium-242 Radioactivity Standard