1,2-萘醌-4-磺酸钠盐,1,2-Naphthoquinone-4-sulfonic acid sodium salt;for spectrophotometric det. of isonicotic hydrazide, amines and amino acids, ≥97.0% (T)
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叔丁醇钾,Potassium tert-butoxide [t-BuOK];reagent grade, ≥98% -
乙酸钠 [醋酸钠],Sodium acetate;powder, BioReagent, suitable for electrophoresis, suitable for cell culture, suitable for insect cell culture, ≥99% -
正庚烷,Heptane;for liquid chromatography LiChrosolv®, ≥99.3% (GC) -
氧化铅(II),Lead(II) oxide [PbO];99.999% trace metals basis
