茚三酮,Ninhydrin;GR for analysis ACS,Reag. Ph Eur
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精胺,Spermine;analytical standard, ≥99.0% (GC), 97.0-103.0% (T)
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山梨酸钾,Potassium sorbate;purum p.a., ≥99.0% (NT)
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尿素酶来源于洋刀豆 [脲酶],Urease from Canavalia ensiformis (Jack bean);Type III, powder, 15,000-50,000 units/g solid
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龙脑,Borneol;contains. ~55%
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牛乳铁蛋白来源于牛初乳,Lactoferrin from bovine colostrum [LF];≥85% (SDS-PAGE)
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盐酸舍曲林,Sertraline hydrochloride;Pharmaceutical Secondary Standard; Certified Reference Material