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Blackbird is a venture capital fund based in Australia and New Zealand We invest in every type of technology from software to space, unified by the biggest of ambitions

详情用直接酯化法由异VC和癸酸合成了异VC癸酸酯,并用FT-IR和1HNMR对目标化合物的结构进行了表征。与异VC相比较,异VC癸酸酯的脂溶性明显增大。在溶解度试验的基础上,建立了简单 详情以对甲苯磺酸为催化剂、N,N-二甲基乙酰胺为溶剂,由辛醛与异VC反应合成了标题化合物。其结构经EI-MS、FT-IR和1HNMR分析确证。考察了该化合物在几种溶剂中的溶解性和在乙醇 详情将Vc和异Vc配成水溶液,利用碘量法测定在不同时间、不同条件下它们的浓度,通过比较保存率,考察了水溶液pH值、金属离子和金属络合剂、光、水质、食盐和温度等因素对它们稳定性的影响。试

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