... 蒸汽浴室 laconicum 浴疗反应 thermal crisis 硫黄浴 sulfur bath ...
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hydrogen sulfur bath hydrothion bath 硫化氢浴
Place 100 mL of pyridine in a 250-mL graduated cylinder , and, keeping the pyridine cold in an ice bath, pass in dry sulfur dioxide until the volume reaches 200 mL.
将100ml的吡啶至250ml的量筒中,使吡啶在冰浴中保持冷,加干燥的二氧化硫直至体积达到200ml。
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