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題 名 | 檢驗常見的家用產品:一個普通化學程度的家庭實驗之活動單元=Identification of Common Household Products: An Activity of Home Experiment at the General Chemistry Level |
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作 者 | 楊水平; 江武雄; 李成康; | 書刊名 | 化學 |
卷 期 | 57:4 1999.12[民88.12] |
頁 次 | 頁317-324 |
分類號 | 342 |
關鍵詞 | 家用產品; 家庭實驗; 替代器材; 普通化學實驗; Household product; Home experiment; Alternative equipment; General chemistry laboratory; |
語 文 | 中文(Chinese) |
中文摘要 | 本文的實驗設計之目的是開發一個適合於高中或大一學生程度,可以在家中進行 化學實驗的活動單元。實驗所需用的六種檢驗樣品、五種試劑和一些材料均為家用產品,它 們都可以在坊間的超市、藥房和書局購得,只有滴管係利用塑膠吸管和透明膠布製作而成, 完全不需要用學校實驗室的藥品和器材,而且操作不具危險性,廢棄物也不易污染環境。為 評估此一實驗設計之可行性,首先將六種檢驗樣品以已知物視之,由作者進行試驗,其結果 非常明顯而且與文獻資料一致。然後以未知物視之,讓大一學生加以檢驗,其結果亦相同。 因此,在完全不需要用實驗室藥品和器材的情況之下,本實驗之設計是可以在家中進行實驗 。 |
英文摘要 | The purpose of designing this experimental activity is to develop a qualitative chemical experiment, which can be carried out at home by the high school seniors or undergraduate freshmen. Six samples, five reagents, as well as experimental equipment and materials are all household products, which can be purchased in the supermarkets, drugstores, and bookstores. Only medicine dropper can be produced from drinking straw and transparent adhesive tape. All chemicals and equipment in this experiment don't have to come from any regular laboratory. Besides, no dangerous reaction will occur. In addition, disposal of these household products and residues will less cause contamination problem. To assess the feasibility of this experiment, the authors tested the six household products regarded as known compounds. The chemical reaction and physical change are observed for each test. The phenomena of observation are quite explicit and the test results are unanimous with literatures. In addition, these products regarded as unknown samples were identified by some freshmen, That the results are also consistent with the previous tests. Therefore, these household products can be identified at home under the absence of regular laboratory chemicals and equipment. |
本系統中英文摘要資訊取自各篇刊載內容。