| 查看: 2994 | 回復(fù): 11 | |||
sunshaokai金蟲 (正式寫手)
|
[求助]
求助!檸檬酸三納在乙二醇中不溶解?怎么辦! 已有1人參與
|
||
|
參考趙東元 Angew. Chem. Int. Ed. 2009, 48, 5875-5879. 實(shí)驗(yàn)步驟:Typically, FeCl3 (0.65 g, 4.0 mmol) and trisodium citrate (0.20 g, 0.68 mmol) were first dissolved in ethylene glycol (20 mL), afterward, NaAc (1.20 g) was added with stirring. The mixture was stirred vigorously for 30 min and then sealed in a Teflon-lined stainless-steel autoclave (50 mL capacity). The autoclave was heated at 200 °C and maintained for 10 h, and then allowed to cool to room temperature. The black products were washed with ethanol and deioned water for several times. 和另外一篇文獻(xiàn)One-step synthesis of monodisperse, water-soluble ultra-small Fe3O4 nanoparticles for potential bio-application. Nanoscale 2013, 5, 2133-2141. 實(shí)驗(yàn)步驟:In a typical synthesis of 3.1 nm Fe3O4 nanoparticles, anhydrous FeCl3 (4 mmol) was first vigorously mixed with 40 mL of DEG to form a clear solution. Then, Na3Cit (1.6 mmol) was added and the mixture was heated at 80 C with stirring to form a clear solution. After dissolving anhydrous NaOAc (12.0 mmol) in the above solution, the mixture was transferred into a Teflon-lined stainless-steel autoclave (100 mL capacity) and sealed in air. Following this, the autoclave was kept at 200 C for 6 h. 制備水溶性Fe3O4,發(fā)現(xiàn)檸檬酸三納在EG(乙二醇)或者DEG(二乙二醇)中很難溶解啊,無論是超聲還是加熱,都是一個(gè)個(gè)小晶體顆粒沉在容器底部,大家有做過的嗎?都是怎么溶解比較好呢?非常感謝! [ Last edited by sunshaokai on 2013-6-18 at 13:38 ] |
四氧化三鐵納米顆粒制備、修飾及包覆 |
至尊木蟲 (職業(yè)作家)
堅(jiān)忍的完美主義者
至尊木蟲 (職業(yè)作家)
堅(jiān)忍的完美主義者
金蟲 (正式寫手)
銅蟲 (小有名氣)
金蟲 (正式寫手)
銅蟲 (小有名氣)
金蟲 (正式寫手)
銅蟲 (初入文壇)
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 一志愿武漢理工材料工程專碩調(diào)劑 +5 | Doleres 2026-03-19 | 5/250 |
|
|---|---|---|---|---|
|
[考研] 一志愿西安交通大學(xué)材料工程專業(yè) 282分求調(diào)劑 +5 | 楓橋ZL 2026-03-18 | 7/350 |
|
|
[考研] 0703化學(xué)調(diào)劑 +5 | pupcoco 2026-03-17 | 8/400 |
|
|
[考研] 一志愿天大材料與化工(085600)總分338 +5 | 蔡大美女 2026-03-13 | 5/250 |
|
|
[考研] 0703化學(xué)調(diào)劑,求各位老師收留 +10 | 秋有木北 2026-03-14 | 10/500 |
|
|
[考研] 354求調(diào)劑 +4 | Tyoumou 2026-03-18 | 7/350 |
|
|
[考研] 295求調(diào)劑 +3 | 一志愿京區(qū)211 2026-03-18 | 5/250 |
|
|
[考研] 302求調(diào)劑 +10 | 呼呼呼。。。。 2026-03-17 | 10/500 |
|
|
[考研] 312求調(diào)劑 +8 | 陌宸希 2026-03-16 | 9/450 |
|
|
[考研] 材料,紡織,生物(0856、0710),化學(xué)招生啦 +3 | Eember. 2026-03-17 | 9/450 |
|
|
[考研] 工科材料085601 279求調(diào)劑 +6 | 困于星晨 2026-03-17 | 6/300 |
|
|
[考研] 301求調(diào)劑 +9 | yy要上岸呀 2026-03-17 | 9/450 |
|
|
[考研] 301求調(diào)劑 +4 | A_JiXing 2026-03-16 | 4/200 |
|
|
[論文投稿] 有沒有大佬發(fā)小論文能帶我個(gè)二作 +3 | 增銳漏人 2026-03-17 | 4/200 |
|
|
[考研] 一志愿,福州大學(xué)材料專碩339分求調(diào)劑 +3 | 木子momo青爭 2026-03-15 | 3/150 |
|
|
[考研] 東南大學(xué)364求調(diào)劑 +5 | JasonYuiui 2026-03-15 | 5/250 |
|
|
[考研] 327求調(diào)劑 +6 | 拾光任染 2026-03-15 | 11/550 |
|
|
[考研] 22408總分284求調(diào)劑 +3 | InAspic 2026-03-13 | 3/150 |
|
|
[基金申請] 現(xiàn)在如何回避去年的某一個(gè)專家,不知道名字 +3 | zk200107 2026-03-12 | 6/300 |
|
|
[碩博家園] 085600 260分求調(diào)劑 +3 | 天空還下雨么 2026-03-13 | 5/250 |
|