TRNG I HC CNG NGHIP THNH PH CH MINH KHOA CNG NGH HA HC
TIU LUN MN PHN TCH CNG NGHIP
TI: THNH PHN CAO LANH V PHN TCH TIO2 TRONG T SET
GVHD: TRN NGUYN AN SA
SVTH: NGUYN PHM THY ANMSSV:09138571 LP: DHPT5
NI DUNG CHNH1 Gii thiu v cao lanh 2 Phm vi p dng 3 Ly mu, chun b mu v x l mu 4 Xc nh hm lng titan dioxit
1. Gii thiu v cao lanh Cao lanh (kaolin) l mt loi t st mu trng, b, chu la, vi thnh phn ch yu l khong vt kaolinit cng mt s khong vt khc nh illit, montmorillonit, thch anh v.v. L mt khong sn phi kim c hnh thnh do qu trnh phong ha ca phenpat ch yu l octodaz v anbit. Qu trnh phong ha trn c gi l qu trnh kaolin ha. Thnh phn ha hc Cao lanh (Kaolin): Cng thc ha hc: Al2O3.2SiO2.2H2O Thnh phn l thuyt: Al2O3: 39,48%; SiO2: 46,6%; H2O: 13,92% T trng: 2,57 - 2,61 cng: 1 - 2,5
1. Gii thiu v cao lanh
1. Gii thiu v cao lanh Phn loi: Ph thuc vo ngun gc pht sinh, mc ch s dng, chu la, do,
xm tn, hm lng cc xt nhum mu v.v Ngun gc pht sinh: ngun s cp v pht sinh t cc ngun th cp. Theo nhit chu la, cao lanh c phn thnh loi chu la rt cao (trn
1.750C), cao (trn 1.730C), va (trn 1.650C) v thp (trn 1.580C). Theo thnh phn Al2O3+ SiO2 trng thi nung nng, cao lanh c phn thnh loi siu baz, baz cao, baz hoc axt.
1. Gii thiu v cao lanh ng dng Trong cng nghip, cao lanh c s dng trong nhiu lnh vc khc
nhau, chng hn nh sn xut gm s, vt liu chu la, vt liu mi,sn xut nhm, phn nhm, c, cht n sn, cao su, giy, xi mng trng, cng nghip dc, m phm, sn xut gch ceramic, tng hp
Zeolit,
2. Phm vi p dng Xac nh cac thanh phn ch yu trong t set lam nguyn liu sn xut vt liu xy dng.
Ap dng phn tch cac nguyn liu v c co thanh phn tng t nht Set (Cao Lanh, Bazan,.)
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3.Ly mu, chun b mu v x l mu Ly mu Mu c ly theo TCVN 4344 86.
Mu a ti phong th nghim co khi lng khng t hn 500g, kchthc ht khng ln hn 5mm, dung lam mu phong th nghim. Chun b mu
Trn u mu trong phong th nghim, ly 100g nghin nho cho nkhi lt qua sang 0.25mm. T mu o ly ra 50g va tip tc nghin nho n lt qua sang 0,1mm. Sau o ly ra 15g lam mu phn tch hoa hc,
phn con li bo qun trong l kn dung lam mu lu. Nghin mn phn mu th sau o sy mu nhit 1000 C 508
3.Ly mu, chun b mu v x l mu X l mu Nung chy 0,5g mu th Na2CO3 + K2CO3 Hn hp
Hoa tan trong HCl, nc ct nongDung dch 1 C cn dd hoa tan trong HCl, lc, ra Kt ta Dung dch 2 Lc dd Dung dch A (500ml)
4. Xc nh hm lng titan dioxit Da theo tiu chun TCVN 7131:2002 Nguyn tc Diantipyrin metan to vi ion Titan (IV) trong mi trng axit mnh to phc cht mau vang. Cng mau t l vi nng Titan trong dung dch. o mt quang ca dung dch bc song khong 400 nm. Qui nh chung: Hoa cht dung trong phn tch phi co tinh khit cao. Nc dung theo TCVN 4851-89(ISO 3696:1997) th chun sau mt thi gian phi kim tra li. Chnh lch gia hai kt qu xac nh song song khng c vt qua gii hn cho phep.10
4. Xc nh hm lng titan dioxit
CACH TIN HNH
Pha mu th
25 ml dd A
+15ml dd diantipyrin metan 2%
+15ml dd HCl (1+1)+5ml dd thiore 5%
lc u
sau o yn dd mt thi gian
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4. Xc nh hm lng titan dioxit
Xy dng th chunSTT V dd A 1 0 15 2 2 15 3 4 15 4 6 15 5 8 15 6 12 15
Binh inh mc 100ml
HCl (1+1)
Thioure 5%Diantipyrin 2% Nc ct
515 65
515 63
515 61
515 59
515 57
515 53
o mt quang ca dung dch cha trong tng binh.
Dung dch so sanh la dung dch trong binh khng cha dung dch Titan lamvic. T lng Titan dioxit co trong mi binh va gia tr mt quang tng ng => xy dng th chun.12
4. Xc nh hm lng titan dioxitKT QU Ham lng Titan dioxit ( TiO2 ), tnh bng phn trm, theo cng thc:m1 x 500
%TiO2 = Trong o:
m x 25
x 100
m1 : la lng Titan dioxit tim c t th chun, tnh bng gam m : la lng cn mu th, tnh bng gam.
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TI LIU THAM KHO
TCVN 7131:2002, t Set phng phap phn tich hoa hoc, Ha Ni, 2008
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