羟乙基哌嗪乙硫磺酸，HEPES, Free Acid, Molecular Biology Grade；A zwitterionice N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C.
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十二烷基硫酸锂，Lithium dodecyl sulfate [LDS]；BioXtra, ≥98.5% -
氧化镍(II)，Nickel(II) oxide；99.99% trace metals basis -
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克拉霉素，Clarithromycin [CLM]；Pharmaceutical Secondary Standard; Certified Reference Material -
L-赖氨酸盐酸盐，L-Lysine monohydrochloride；reagent grade, ≥98% (HPLC) -
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