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Hcl in Ethyl Acetate
制物之法
近世有术，以“HCl + In + Ethyl Acetate”为要，此乃制物之关键。其以“HCl + in + Ethyl Acetate”为径，行于诸般操作。
先备诸材，依量取Ethyl Acetate，置于净器。继将In投其中，缓缓搅之，使相融和。而后，逐滴加HCl，其间慎察变化，控其速率与量。
观其反应，或色变，或热生，皆为征候。依其情，适时调之，务使反应顺行。待毕，经诸般分理之法，如滤、蒸之类，得所制之物。
此法精妙，然操作之时，必谨守规程，重安危及物性，方可得佳物。
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