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در شیمی، واکنش آبگیری به واکنشی گفته میشود که طی آن خروج آب از مولکول یا یون واکنش دهنده رخ دهد. واکنشهای آبگیری، فرایندهایی متداول در شیمی محسوب میشوند و به واکنش معکوس آن واکنش آبدهی گفته میشود. عوامل متداولی که بهعنوان عامل آبگیری یا جاذب رطوبت بهخصوص در سنتز آلی به کار میروند، عبارتاند از سولفوریک اسید و آلومینیوم اکسید. نیاز به گرم کردن مخلوط واکنش، از مشخصههای اغلب واکنشهای آبگیری است.
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یک پیام ارسال کرد