尿素酶来源于洋刀豆 [脲酶],Urease from Canavalia ensiformis (Jack bean);Type C-3, powder, ≥600,000 units/g solid
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过硫酸铵,Ammonium persulfate [APS];reagent grade, 98% -
邻苯二甲酸二环己酯-3,4,5,6-d4,Dicyclohexyl phthalate-3,4,5,6-d4;PESTANAL®, analytical standard -
姜黄素,Curcumin;from Curcuma longa (Turmeric), powder, ≥65% (HPLC) -
四氟硼酸银,Silver tetrafluoroborate;≥99.99% trace metals basis -
木糖醇,Xylitol;≥99% -
七氟丁酸酐,Heptafluorobutyric anhydride [HFBA, HFBA];for GC derivatization, LiChropur™, ≥99.0%
