凍干(gan)氧化石墨(mo)烯是(shi)為了分散嗎,如(ru)果是(shi),可(ke)以嘗試以下方法:
1,提高真(zhen)空度
2,控制冷(leng)阱溫(wen)度(du)(du)(du),同時測(ce)定凍(dong)干樣(yang)品的(de)精度(du)(du)(du)高溫(wen)度(du)(du)(du),保證在(zai)所選用的(de)真空度(du)(du)(du)條件(jian)下,樣(yang)品溫(wen)度(du)(du)(du)低于共熔點溫(wen)度(du)(du)(du)
3. 不選擇(ze)水作為分(fen)散(san)介(jie)質(zhi),可(ke)以選用叔丁醇一類的(de)介(jie)質(zhi),可(ke)以在室溫(wen)條件下升華,那就可(ke)以用欣諭凍干機(不帶隔板控溫(wen)款)

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——上海欣諭儀器(qi)有限公(gong)司主要產品:冷(leng)水機冷(leng)凍(dong)(dong)水機,冷(leng)卻水循(xun)環機,冰(bing)(bing)水機,超(chao)低(di)溫冰(bing)(bing)箱,凍(dong)(dong)干機冷(leng)凍(dong)(dong)干燥(zao)機,低(di)溫槽,恒溫槽,制冰(bing)(bing)機,層析(xi)(xi)冷(leng)柜,冷(leng)藏柜,氣溶膠噴(pen)霧器(qi),程序冷(leng)凍(dong)(dong)裝置,冷(leng)凍(dong)(dong)儀,染色(se)體分析(xi)(xi)系統。