瑞紳葆液氮冷凍研磨機研磨植物解決方案-鮮葉及果實
發布日期：2019-07-29 12:43:39 來源：互聯網
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mso-font-kerning:1.0000pt;">水是植物體的組成成分之一，不同植物的含水量不同。水生植物含水量達90％，草本植物含水量為70%一80%。瓜果果肉的含水量達90％以上，樹干的含水量約為50％。由于活體植物通常含水量高，通常無法常溫直接研磨，活體植物樣品處理也一直是各研究檢驗機構的一大難題。而處理水分需要自然晾干周期太長，或加熱烘干，但減重嚴重且易造成某些低沸點物質丟失，導致檢測結果不準確。瑞紳葆分析技術（上海）有限公司的液氮冷凍研磨機根據某植物研究所要求提供解決鮮葉及果實研磨的難題。
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mso-font-kerning:1.0000pt;">二、制樣設備及工具
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mso-font-kerning:1.0000pt;">1.研磨設備
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mso-font-kerning:1.0000pt;">瑞紳葆低溫研磨機：LPM-01型液氮在線連續冷凍研磨機
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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食品級合金研磨罐
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mso-font-kerning:1.0000pt;">三、樣品制備
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mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">用剪刀將
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mso-font-kerning:1.0000pt;">樣品
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;">，并且填充進冷凍研磨罐內部。將冷凍研磨罐正確放置到工作位置。將壓頭調整到正確位置，在操作屏幕上面點擊壓頭開按鈕。使壓頭在正確位置并且壓緊冷凍研磨罐，關閉冷凍研磨機工作室的操作蓋。點擊參數界面，并且設置
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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;">參數
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mso-font-kerning:1.0000pt;">為：預冷卻20分鐘（磨具及樣品提前充分冷凍處理可以適當減少預冷卻時間），深冷閥開啟溫度為-120℃，關閉溫度為-130℃，研磨時間15秒，轉速為960轉每分鐘。
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mso-bidi-font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">打開液氮罐出口閥門。點擊設備啟動按鈕，設備開設運行。當設備運行完畢打開冷凍研磨機工作室，在操作屏幕上面點擊壓頭關閉按鈕
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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;">打開冷凍研磨罐，取出樣品。
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mso-font-kerning:1.0000pt;">四、結論
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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;">瑞紳葆低溫研磨機提供大容量處理一些軟質、溫度敏感、脂肪含量高或低溫呈現脆性的樣品，如動、植物或各類食品的全套解決方案，讓實驗更方便快捷，節省了大量人力物力，具有極高的應用潛力。
