| 5 | 1/1 | 返回列表 |
| 查看: 2824 | 回復: 22 | ||
| 當前只顯示滿足指定條件的回帖,點擊這里查看本話題的所有回帖 | ||
sherry93126新蟲 (正式寫手)
|
[求助]
石墨烯量子點的分離問題 已有3人參與
|
|
|
0.21 g (1 mmol) citric acid and 0.23 g (3 mmol) thiourea were dissolved into 5 ml water, and stirred to form a clear solution. Then the solution was transferred into a 20 ml Teon lined stainless autoclave. The sealed autoclave was heated to 160 C in an electric oven and kept for additional 4 hours. The final product was collected by adding ethanol into the solution and centrifuged at 5000 rpm for 5 min. The solid can be easily redispersed into water. 文獻里面給出了這樣的方法,可是最后分離的時候文獻說加入乙醇,離心出固體,可是我都用1200轉速離了20分鐘了,還是離不出來,請問有人做過這種方法嗎,要如何分離呢 |

銀蟲 (正式寫手)
木蟲 (著名寫手)
銅蟲 (著名寫手)
新蟲 (正式寫手)

| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 311求調劑 +4 | 冬十三 2026-03-18 | 4/200 |
|
|---|---|---|---|---|
|
[考研] 274求調劑 +5 | S.H1 2026-03-18 | 5/250 |
|
|
[考研] 能源材料化學課題組招收碩士研究生8-10名 +4 | 脫穎而出 2026-03-16 | 10/500 |
|
|
[考研] 267一志愿南京工業(yè)大學0817化工求調劑 +8 | SUICHILD 2026-03-12 | 8/400 |
|
|
[考研] 328求調劑,英語六級551,有科研經歷 +3 | 生物工程調劑 2026-03-17 | 7/350 |
|
|
[考研] 0703化學調劑 +7 | 妮妮ninicgb 2026-03-15 | 11/550 |
|
|
[教師之家] 焦慮 +8 | 水冰月月野兔 2026-03-13 | 12/600 |
|
|
[考研] 0703化學調劑 ,六級已過,有科研經歷 +10 | 曦熙兮 2026-03-15 | 10/500 |
|
|
[考研] 0703化學調劑 +4 | pupcoco 2026-03-17 | 7/350 |
|
|
[考研] 工科材料085601 279求調劑 +6 | 困于星晨 2026-03-17 | 6/300 |
|
|
[考研] 085600材料與化工求調劑 +5 | 緒幸與子 2026-03-17 | 5/250 |
|
|
[考研] 26考研求調劑 +6 | 丶宏Sir 2026-03-13 | 6/300 |
|
|
[考研] 有沒有道鐵/土木的想調劑南林,給自己招師弟中~ +3 | TqlXswl 2026-03-16 | 7/350 |
|
|
[考研] 一志愿,福州大學材料專碩339分求調劑 +3 | 木子momo青爭 2026-03-15 | 3/150 |
|
|
[考研] 330求調劑 +3 | ?醬給調劑跪了 2026-03-13 | 3/150 |
|
|
[考研] 材料與化工(0856)304求B區(qū)調劑 +6 | 邱gl 2026-03-12 | 7/350 |
|
|
[考研] 311求調劑 +3 | 冬十三 2026-03-13 | 3/150 |
|
|
[考研] 0703化學求調劑 +7 | 綠豆芹菜湯 2026-03-12 | 7/350 |
|
|
[考研] 求調劑 +3 | 程雨杭 2026-03-12 | 3/150 |
|
|
[考研] 333求調劑 +3 | 152697 2026-03-12 | 4/200 |
|