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頁籤選單縮合
題 名 | 光電比色法測定尿鹼之解離常數=The Determination of Uracil's pka by Photometry |
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作 者 | 張良謙; | 書刊名 | 南臺技術學院學報 |
卷 期 | 23 1996.10[民85.10] |
頁 次 | 頁23-25 |
分類號 | 343.311 |
關鍵詞 | 尿鹼; 吸光度; Uracil; pka; Absorbance; |
語 文 | 中文(Chinese) |
中文摘要 | 尿鹼在哺乳類動物體內及生化研究上均很重要。本文利用pH計測其pH值及光譜儀 測等量測尿鹼的三種溶液在不同波長下之吸光度,由其 pH 值和吸光度的對數之關係,吾人 可甚易得其室溫下之 pka 值為 9.92。 |
英文摘要 | Uracil is important in mammalian body and is involved several biochemical reactions. In this study we measured its pH value by a routine pH meter. Uracil concentration in three different solutions could be measured accurately by spectrophotometer utilizing different wavelengths. From the relationship between pH and log of absorbance it was easy to calculate its pka value which was 9.92. |
本系統中英文摘要資訊取自各篇刊載內容。