维生素D2 [麦角钙化醇],Ergocalciferol;≥97%, 40,000,000 USP units/g
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水飞蓟宾 (A+B混合物),Silybin;mixture of Silybin A and B, primary reference standard
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氧化锆(IV) [二氧化锆],Zirconium(IV) oxide [ZrO2 nanoparticles];5 nm (core), Propylene glycol methyl ether acetate (PGMEA) 50 wt. %, high surface coverage capping materials
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改良HF缓冲液,Buffer HF improved [BHF]
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2-丁醇 [仲丁醇],2-Butanol;ReagentPlus®, ≥99%
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薯蓣皂苷元 [薯蓣皂素],Diosgenin;phyproof® Reference Substance, ≥98.0% (HPLC)