从一种药物中提取一种白色的生物碱的实验 但提取后是黄色的.1将药粒倒进500毫升单口烧瓶里,然后往里面加乙醇,高出药粒表面2厘米左右,用玻璃棒搅拌,把粘住的药粒搅开.将烧瓶放进电热套,
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![从一种药物中提取一种白色的生物碱的实验 但提取后是黄色的.1将药粒倒进500毫升单口烧瓶里,然后往里面加乙醇,高出药粒表面2厘米左右,用玻璃棒搅拌,把粘住的药粒搅开.将烧瓶放进电热套,](/uploads/image/z/8228553-33-3.jpg?t=%E4%BB%8E%E4%B8%80%E7%A7%8D%E8%8D%AF%E7%89%A9%E4%B8%AD%E6%8F%90%E5%8F%96%E4%B8%80%E7%A7%8D%E7%99%BD%E8%89%B2%E7%9A%84%E7%94%9F%E7%89%A9%E7%A2%B1%E7%9A%84%E5%AE%9E%E9%AA%8C+%E4%BD%86%E6%8F%90%E5%8F%96%E5%90%8E%E6%98%AF%E9%BB%84%E8%89%B2%E7%9A%84.1%E5%B0%86%E8%8D%AF%E7%B2%92%E5%80%92%E8%BF%9B500%E6%AF%AB%E5%8D%87%E5%8D%95%E5%8F%A3%E7%83%A7%E7%93%B6%E9%87%8C%2C%E7%84%B6%E5%90%8E%E5%BE%80%E9%87%8C%E9%9D%A2%E5%8A%A0%E4%B9%99%E9%86%87%2C%E9%AB%98%E5%87%BA%E8%8D%AF%E7%B2%92%E8%A1%A8%E9%9D%A22%E5%8E%98%E7%B1%B3%E5%B7%A6%E5%8F%B3%2C%E7%94%A8%E7%8E%BB%E7%92%83%E6%A3%92%E6%90%85%E6%8B%8C%2C%E6%8A%8A%E7%B2%98%E4%BD%8F%E7%9A%84%E8%8D%AF%E7%B2%92%E6%90%85%E5%BC%80.%E5%B0%86%E7%83%A7%E7%93%B6%E6%94%BE%E8%BF%9B%E7%94%B5%E7%83%AD%E5%A5%97%2C)
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