紫色反应
紫色反应-
血清EB病毒VCA-IgA抗体检测与紫色反应对鼻咽癌诊断的价值
Evaluation of serun IgA antibody to EB virus VCA and serum purple colorimetric response in the diagnosis of nasopharyngeal carcinoma
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本文基于维生素K3（亚硫酸氢钠甲萘醌）或甲萘醌在碱性介质中与氨基硫脲生成紫色化合物的反应。
The method was based on the reaction of the vitamin K_3 ( menadione sodium bisulfite ) or menadione with thiosemicarbazide to form an violet compound in alkaline medium .