瑞绅葆液氮冷冻研磨机研磨植物解决方案-鲜叶及果实
发布日期：2019-07-29 12:43:39 来源：互联网
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mso-font-kerning:1.0000pt;">水是植物体的组成成分之一，不同植物的含水量不同。水生植物含水量达90％，草本植物含水量为70%一80%。瓜果果肉的含水量达90％以上，树干的含水量约为50％。由于活体植物通常含水量高，通常无法常温直接研磨，活体植物样品处理也一直是各研究检验机构的一大难题。而处理水分需要自然晾干周期太长，或加热烘干，但减重严重且易造成某些低沸点物质丢失，导致检测结果不准确。瑞绅葆分析技术（上海）有限公司的液氮冷冻研磨机根据某植物研究所要求提供解决鲜叶及果实研磨的难题。
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mso-font-kerning:1.0000pt;">二、制样设备及工具
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mso-font-kerning:1.0000pt;">1.研磨设备
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mso-font-kerning:1.0000pt;">瑞绅葆低温研磨机：LPM-01型液氮在线连续冷冻研磨机
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mso-font-kerning:1.0000pt;">2.磨具
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mso-font-kerning:1.0000pt;">配套2.1L食品级合金研磨罐
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mso-font-kerning:1.0000pt;">三、样品制备
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mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">用剪刀将
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mso-font-kerning:1.0000pt;">样品
mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">剪碎
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mso-font-kerning:1.0000pt;">（可以放入研磨罐即可）
mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">，并且填充进冷冻研磨罐内部。将冷冻研磨罐正确放置到工作位置。将压头调整到正确位置，在操作屏幕上面点击压头开按钮。使压头在正确位置并且压紧冷冻研磨罐，关闭冷冻研磨机工作室的操作盖。点击参数界面，并且设置
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mso-font-kerning:1.0000pt;">好
mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">参数
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mso-font-kerning:1.0000pt;">为：预冷却20分钟（磨具及样品提前充分冷冻处理可以适当减少预冷却时间），深冷阀开启温度为-120℃，关闭温度为-130℃，研磨时间15秒，转速为960转每分钟。
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mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">打开液氮罐出口阀门。点击设备启动按钮，设备开设运行。当设备运行完毕打开冷冻研磨机工作室，在操作屏幕上面点击压头关闭按钮
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mso-font-kerning:1.0000pt;">后
mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">打开冷冻研磨罐，取出样品。
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mso-font-kerning:1.0000pt;">四、结论
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mso-hansi-font-family:Calibri;mso-bidi-font-family:'Times New Roman';font-size:10.5000pt; mso-font-kerning:1.0000pt;">瑞绅葆低温研磨机提供大容量处理一些软质、温度敏感、脂肪含量高或低温呈现脆性的样品，如动、植物或各类食品的全套解决方案，让实验更方便快捷，节省了大量人力物力，具有极高的应用潜力。
