硫脲,Thiourea;Pharmaceutical Secondary Standard; Certified Reference Material
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双(五甲基环戊二烯)铁(II),Bis(pentamethylcyclopentadienyl) iron(II);97% -
三氟甲磺酸钇,Yttrium(III) trifluoromethanesulfonate;98% -
苄基十二烷基二甲基氯化铵,Benzyldimethyldodecylammonium chloride [DDBAC];≥99.0% (AT) -
硫酸葡聚糖钠盐来源于明串珠菌属,Dextran sulfate sodium salt from Leuconostoc spp.;low sulfate content, Mr ~40,000 -
水杨酸钠,Sodium salicylate;for analysis EMSURE®, ≥99.5% dry basis (perchloric acid titration) -
氢氧化锂,Lithium hydroxide;reagent grade, 98%
