求翻译：以冰醋酸、 异丁醇为原料, 对甲苯磺酸为催化剂合成乙酸异丁酯。通过对催化剂用量的改变探究其对实验结果的影响。结果表明，催化剂用量为1.5g时 所得产率最大，在此范围增大或减小催化剂的用量都会降低产品产率。是什么意思？

Glacial acetic acid, isobutanol as raw materials, p-toluenesulfonic acid as the catalyst for the synthesis of isobutyl acetate. Changes in the amount of catalyst to explore its influence on the experimental results. The results showed that the amount of catalyst the yield of 1.5g obtained in this ra

According to ice acetic acid, n-butanol as a raw material, the toluene sulphonic acid to act as a catalyst, different synthetic acetic acid esters. Through the usage of catalyst to change explore the results of the experiment. Results indicate that, as a catalyst for the 1.5G is the largest producti

Take the glacial acetic acid, the isobutyl alcohol as raw materials, to toluene sulfonic acid for catalyst synthesis ethanoic acid different Ding ester.Through to the catalyst amount used change inquired into it to tests the result the influence.The result indicated, the catalyst amount used is when

Glacial acetic acid, isobutyl alcohol as raw material, the synthesis of isobutyl acetate with p-toluene sulphonic acid as catalyst. Through research on amount of catalyst to change its effect on experimental results. Results show that yields the maximum derived from the amount of catalyst at 1.5G, i

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