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Author: emiliahani

persamaan kimia..nk mintak tolong (dah ade gambar....tapi yang nano takleh save)

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 Author| Post time 8-10-2008 07:46 AM | Show all posts
tak jadila nano tuh...sais smpi 500n....
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Post time 15-10-2008 02:26 PM | Show all posts
Emilia,

aku tak paham la ko nak wat ape sebenarnya. Dah selak dan baca kat page belakang. Anyway, aku dulu buat MgO juga bagi jadi nano saiz. Guna untuk adsorb gas CO2 dan pakai teknik sol-gel. Alhamdulillah, berjaya
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 Author| Post time 16-10-2008 08:25 AM | Show all posts
EH YEKE....LEH SHARE TEKNIK TAK..TRULY APPRECIATE IT.....NAK SESANGAT SKANG NIH
Originally posted by decent_sho at 15-10-2008 02:26 PM
Emilia,

aku tak paham la ko nak wat ape sebenarnya. Dah selak dan baca kat page belakang. Anyway, aku dulu buat MgO juga bagi jadi nano saiz. Guna untuk adsorb gas CO2 dan pakai teknik sol-gel ...
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Post time 16-10-2008 11:36 PM | Show all posts
Cara aku buat dulu :-

MgO + Ethanol + NaoH..ape lagi ek lupa la..aha larutan silika untuk jadikan larutan sol, the stir dalam oil bath about 8 jam rasenye. Pastu plus pure H2SO4 untk jadikan gel. Gel yang yang terbentuk difilter guna vacumm filter then guna teknik supercritical extraction untuk jadikan aerogel-MgO. Final product yang dapat dikalsin sampai suhu 400oC.

Maybe ko leh rujuk Jurnal of Non-Crystaline Solid or Jurnal of Crystaline Solid. Biasanya kalau xdapat nano sebab larutan sol ko. Then maybe u rujuk buku Surface and Coloid Chemistry untuk pahamkan lebih lanjut teknik sol-gel.

Harap membantu. ANyway, ape projek ko? Ko U mane?

[ Last edited by  decent_sho at 16-10-2008 11:38 PM ]
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 Author| Post time 21-10-2008 02:07 PM | Show all posts
projek pasai superconductor laa...di tambah ngan nano....kirenye sampinganla nano nih...cemane ko tau ko dpt nano...ko buat sem ker....leh tengok gambar tak???aku kt ipts
Originally posted by decent_sho at 16-10-2008 11:36 PM
Cara aku buat dulu :-

MgO + Ethanol + NaoH..ape lagi ek lupa la..aha larutan silika untuk jadikan larutan sol, the stir dalam oil bath about 8 jam rasenye. Pastu plus pure H2SO4 untk jadikan g ...
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Post time 21-10-2008 03:20 PM | Show all posts
yup wat SEM dan test saiz liang guna mesin ape ntah lupe plak... gambo xde la sebab ni kesah 4 tahunn dulu huhuhu
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 Author| Post time 21-10-2008 05:34 PM | Show all posts
leh tak mintak tesis yang kaedah tu jek...hehehehhehe....nak proper kaedah..leh tak
Originally posted by decent_sho at 21-10-2008 03:20 PM
yup wat SEM dan test saiz liang guna mesin ape ntah lupe plak... gambo xde la sebab ni kesah 4 tahunn dulu huhuhu
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Post time 23-10-2008 01:09 AM | Show all posts
lia,
boleh bagi email thru PM?
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 Author| Post time 23-10-2008 07:17 AM | Show all posts
tak reti nk pm ar.....emel [email protected]
Originally posted by decent_sho at 23-10-2008 01:09 AM
lia,
boleh bagi email thru PM?
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Post time 25-10-2008 12:59 AM | Show all posts
lia

dah emel
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 Author| Post time 26-10-2008 12:28 PM | Show all posts
tq!! kne stadi dulu.................
Originally posted by decent_sho at 25-10-2008 12:59 AM
lia

dah emel
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 Author| Post time 3-5-2009 10:40 AM | Show all posts
korang semua yang penah tolong2 ...nk bgtau appreciate sesangat...n now dah siap fabricate bahan tuh...dah tgu nk viva jek...eheheh...bile bace balik komen2 lawak la plak daifnye haku...............

tq semua
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