镧，Lanthanum；powder, −40 mesh, under oil, 99.9% trace rare earth metals basis
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酮康唑，Ketoconazole；Pharmaceutical Secondary Standard; Certified Reference Material -
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派洛宁Y，Pyronin Y；certified by the Biological Stain Commission, Dye content 50% -
硫酸铵，Ammonium sulfate；BioUltra, ≥99.0% (T)
