重力层析空柱,Gravity chromatography empty columns
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- 莱苞迪苷N,Rebaudioside N;phyproof® Reference Substance, ≥90.0% (HPLC)
- 高氯酸锂,Lithium perchlorate;anhydrous, ≥99.9% trace metals basis
- 白细胞酯酶,Leukocyte esterase [LE];≥20 units/mg protein(biuret)
- β-细辛脑,β-Asarone;phyproof® Reference Substance, ≥90.0% (HPLC)
- 溴化铝,Aluminum bromide;anhydrous, powder, 99.999% trace metals basis
- 伊红美蓝琼脂 [EMB],Eosin-Methylene Blue Agar