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姜锋, 江荣燕. 微波炉在重量法测定硫中的应用[J]. 岩矿测试, 1993, (2): 135-136.
引用本文: 姜锋, 江荣燕. 微波炉在重量法测定硫中的应用[J]. 岩矿测试, 1993, (2): 135-136.
shu
Application of Microwave Oven to Gravimetric Determination of Sulfur[J]. Rock and Mineral Analysis, 1993, (2): 135-136.
Citation: Application of Microwave Oven to Gravimetric Determination of Sulfur[J]. Rock and Mineral Analysis, 1993, (2): 135-136.
shu

微波炉在重量法测定硫中的应用

Application of Microwave Oven to Gravimetric Determination of Sulfur

    摘要
  • 摘要: 采用玻璃砂芯坩埚过滤BaSO_4沉淀,微波炉代替马弗炉恒重坩埚、沉淀,重量法测定了矿石中的硫。方法准确,精密度好。微波炉不需预先升温,加热6min可达恒重,省时、省电。

     

    Abstract: A microwave oven is used for drying the BaSO4 precipitate which has been filtered off on a sintered glass filter crucible. Only 6 min is required for the heating, without any preheating of the oven. The results compare favorably with those obtained from t

     

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