實驗目的:研磨PC材質(zhì)杯子,將樣品研磨層粉末,更好的檢測其成分等一系列實驗。
實驗地點:梅里埃營養(yǎng)科學實驗室 。
實驗材料和器具:
樣品:PC材質(zhì)杯子
儀器:全自動液氮冷凍研磨儀(上海凈信,JXFSTPRP-II)
耗材:專用適配器,研磨管
試劑:液氮若干
實驗步驟
1.準備好專用適配器,將研磨管和研磨球清洗干凈,并滅菌滅酶;
2.將需要研磨的樣品剪成小塊,放入準備好的研磨管中,加入研磨珠。蓋好蓋子;
3.將裝有組織樣品的研磨管放入液氮中,冷凍至不沸騰為止;
4.取出已經(jīng)冷凍的適配器,把冷凍好的不銹鋼研磨管取出插入適配器中;
5.將適配器裝入凈信研磨儀中;
6.設定好參數(shù),啟動儀器至研磨程序結束,可得到粉末狀樣品。
實驗結果
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