１，１，１‐トリクロロエタンによるアルミニウムの溶解反応に対する有機試薬の抑制効果に関する統計解析

Abstract

The inhibiting effect of various organic reagents on the dissolution of aluminum in 1, 1, 1-trichloroethane (CCl3CH3) have been analyzed statistically using data previously obtained on the basis of variance from a) the kind of functional groups, b) the number of functional groups and c) the carbon skeleton structure (aliphatic or aromatic). The results are summarized as follows; 1) The kind of functional group resulted in a recognizable difference in inhibiting effect, which, in the case of monofunctional groups, increased in the order: ethers (A1)<phenols (A2) <alcohols (A3)<esters(A4)<nitrocompounds(A5)<amines(A6)<ketones(A7)<nitriles(A8). Imides (A9) had no inhibiting effect, since they are insoluble in CCl3CH3, 2) There was a clearly recognizable difference between monofunctional and difunctional groups. The quantity of organic reagents added to the CCl3CH3 to inhibit the dissolution of aluminum differed depending on the kind of functional groups, and difunctional groups were lower in concentration than monofunctional groups, at 5 to 45%, 3) There was no recognizable difference in inhibiting effect between aliphatic and aromatic compounds. Standards for the selection of inhibitors are provided by the above analysis.