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Author: emiliahani

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

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Post time 13-9-2008 11:30 AM | Show all posts
Originally posted by emiliahani at 12-9-2008 08:13 AM
mgoh ngan mgo tu same ke..me yang yang mgo punye


apa hang nak tanya ni?
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 Author| Post time 15-9-2008 11:11 AM | Show all posts
me nak yang mgo jek...tapi mgo ngan mgoh tu same ker
Originally posted by KTMan at 13-9-2008 11:30 AM


apa hang nak tanya ni?
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Post time 15-9-2008 05:12 PM | Show all posts

Reply #42 emiliahani's post

Mana sama MgO dengan Mg(OH)2

*tulis betui2 formula kimia laa nanti orang tak faham tanya apa?

MgO to solid

MgOH tu biasanya liquid yang ada suspension, partial soluble in water.

MgO + H2O = Mg(OH)2

Nak dapatkan MgO dari Mg(OH)2 boleh la ikut cadangan KTMan post#36

Saiz particle MgO tu bergantung kpd cara penyediaan
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Post time 19-9-2008 09:20 AM | Show all posts

lama dah tak buat ujikaji kimia nie...


mana gambarnya tuan rumah? berjaya tak?


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Post time 19-9-2008 11:38 PM | Show all posts
cmne r kowang leh tau sume equation kimia ni....
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 Author| Post time 22-9-2008 09:49 AM | Show all posts
hari tu buat SEM kat TNB r...problemnye........ die slalu tadak.....mse yang firt test tu...die bergumpal...tapi dr EDX..mmg sah2 die MgO..alhamdulillah...masalahnye skang tatau saiz nye...tadi tye kawan...rini esok dak upm buat....minggu ni..mmbr tuh setelkan sampel die...me nye..mebe nex week....dala nex week raye...next2 wek la gamaknye....nk book kat ukm makan mase 3 bulan baru dapat...sedeynyeee
Originally posted by buDak_gaTaL at 19-9-2008 09:20 AM

lama dah tak buat ujikaji kimia nie...


mana gambarnya tuan rumah? berjaya tak?
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Post time 22-9-2008 01:01 PM | Show all posts
Originally posted by emiliahani at 22-9-2008 09:49 AM
hari tu buat SEM kat TNB r...problemnye........ die slalu tadak.....mse yang firt test tu...die bergumpal...tapi dr EDX..mmg sah2 die MgO..alhamdulillah...masalahnye skang tatau saiz n ...


apa saja bahan yang asal Mg-organics, kalau panaskan pada suhu tinggi dengan kehadiran oksigen/udara, memanglah hasilnya MgO. tanpa test dengan EDX pun boleh agak... cuma structure dia aje berbeza..
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 Author| Post time 22-9-2008 01:57 PM | Show all posts
tak guna haba langsungla...at room temperature......
Originally posted by KTMan at 22-9-2008 01:01 PM


apa saja bahan yang asal Mg-organics, kalau panaskan pada suhu tinggi dengan kehadiran oksigen/udara, memanglah hasilnya MgO. tanpa test dengan EDX pun boleh agak... cuma structure dia a ...
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 Author| Post time 22-9-2008 01:58 PM | Show all posts
pakai sol-gel method.........................
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Post time 23-9-2008 12:22 AM | Show all posts
Originally posted by emiliahani at 22-9-2008 01:58 PM
pakai sol-gel method.........................


baru jelas apa hang sedang buat...lain kali bagi tau awal2 method apa hang nak pakai..:victory:
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 Author| Post time 26-9-2008 04:12 PM | Show all posts
.............................

[ Last edited by  emiliahani at 26-9-2008 04:28 PM ]
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 Author| Post time 26-9-2008 04:13 PM | Show all posts
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 Author| Post time 26-9-2008 04:13 PM | Show all posts
alahai korang
tatau nk tepeklaaaaaaaaaaaaaaaaaaaaa
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 Author| Post time 26-9-2008 04:19 PM | Show all posts
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 Author| Post time 26-9-2008 04:22 PM | Show all posts
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 Author| Post time 26-9-2008 04:23 PM | Show all posts
ini gambar struktur superconductor...
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 Author| Post time 26-9-2008 04:27 PM | Show all posts
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 Author| Post time 26-9-2008 04:27 PM | Show all posts
yang ni gambar mgo fibre.....
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 Author| Post time 26-9-2008 04:31 PM | Show all posts
alahai...yang nano mgo tu takleh ar......sbb formet die lain...tapi yang pasti...butiran die..tak sume saiz nano...banyak saiz mikron dr nano...so kene kontrol la stir ..takleh laju sangat...nnti sais butiran besau...k la...tq pada semua yang menolong....
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Post time 27-9-2008 07:22 AM | Show all posts
gila barbee seyh korang. kimia tahap dewa :pompom: :pompom:
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