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如何防止冰融化

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把冰储存到聚会时候用，或者保存几个小时，这看起来似乎是不可能的。聚会时，通常要为每位客人准备200g的冰，那么如何保存它们呢？想知道让冰块保存几个小时而不化的方法，那就看看本文吧。

方法 1

方法 1 的 3:

制作大冰块

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1
制冰前，先将水煮沸。 用水壶把水煮沸，然后放凉到可以装到塑料托盘的程度。这样做，可以除去水中的空气，让水的密度更大。冰块体积和密度越大，它融化需要的时间也越久。
- 另外的好处是，可以让冰块更透亮。
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2
选择你可以找到的最大的冰块托盘。 碎冰的融化速度要比小冰块块，而它俩的融化速度都要比大冰块快。你可以把水倒进饼干罐里，然后冻成大冰块。
- 如果你的资金充裕，你还可买球形冰模具。这种模具的直径大概是6.4厘米，和立方体相比，球形和空气的接触面积更小，因而融化速度也更慢。 ^{[1]
  X
  研究来源}
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方法 2

方法 2 的 3:

正确保存冰块

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泡沫塑料或绝缘塑料材质的冰桶，可以让冰块保存大约1.5到2小时而不化。
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泡在水里的冰会很快融化，所以，定期排水可以让冰保存得更久。
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这样做可以保持冰块的温度。 ^{[2]
X
研究来源}
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热空气会让冰块融化得更快。
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最好把酒桌摆到最阴凉的地方。

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方法 3

方法 3 的 3:

加盐

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1
在制冰之前，向沸水中，按“6克盐比3.5升水”的比例加盐。 盐会提高冰的熔点，这样冰化得就慢了。 ^{[3]
X
研究来源}
- 在聚会开始前一小时，将带盐的冰块拿出来化冻。
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你需要准备

水壶
大冰盒
饼干托盘
球形冰模具
泡沫塑料或绝缘塑料材质的冰桶
铝箔膜
冰桶盖
盐

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