lampiran 1 : hasil rekaman xrd

77

Lampiran 1 : Hasil Rekaman XRD

Universitas Sumatera Utara

78


79


80


81


82

HASIL ANALISIS/UJI TEST/ANALYSIS RESULT

Identifikasi profil difraksi sinar-x sampel ZnS

Identify of x-ray diffraction profile sample ZnS

Refinement profil difraksi sinar-x sampel ZnS

Refinement of x-ray diffraction profile sample ZnS


83

Fraksi massa :

Mass fraction :

ZnS No.

No.

Nama Senyawa

Name of Coumpound

Fasa

Phase

Acuan

Ref.

Fraksi Massa

Mass Fraction (% wt)

1. Sphalerite ZnS AMCSD 96-900-0108 25.51

2. Zincite ZnO AMCSD 96-900-4179 74.49

Sampel ZnS

Fasa ZnS (Ref. Skinner)

Grup ruang (space group) : F -4 3 m (216) dan Sistem kristal : Cubic

Parameter kisi :

a = 5.28(1) Å, b = 5.28(1) Å dan c = 5.28(1) Å, = = = 90o

V = 147.9(9) Å3

Fasa ZnO (Ref. Kihara)

Grup ruang (space group) : P 63 m c (186) dan Sistem kristal : Hexagonal

Parameter kisi :

a = 3.2511(2) Å, b = 3.2511(2) Å dan c = 5.2096(4) Å, = = 90o = 120

o

V = 47.689(9) Å3

Factor R wRp = 4.66

χ2 (chi-squared) = 1.188

Rp = 3.65

Referensi

Refference

1. Skinner B. J., "Unit-cell edges of natural and synthetic sphalerites Locality: synthetic", American Mineralogist 46, 1399-1411 (1961)

2. Kihara K., Donnay G., "Anharmonic thermal vibrations in ZnO Model: 2-c, at T = 293 K", The Canadian Mineralogist 23, 647-654 (1985)


84

Hasil Perhitungan ukuran partikel ZnS dengan persamaan Scherrer :

S = k λ/(B cosθ); dengan = 0,9 dan λ = 1,54 Å

Sampel 1

No B(FWHM) 2θ θ cos θ S (Å) S (nm)

1 0,1968 12,952 6,476 0,993946 7,086 70,856

2 0,6298 17,1925 8,59625 0,989341 2,224 22,244

3 0,1574 19,4736 9,7368 0,986332 8,928 89,276

4 0,1574 20,0408 10,0204 0,985526 8,935 89,349

5 0,3149 21,5706 10,7853 0,983238 4,476 44,764

6 0,6298 23,2286 11,6143 0,980571 2,244 22,443

7 0,3936 26,9088 13,4544 0,973956 3,616 36,155

8 0,2755 28,3052 14,1526 0,971197 5,180 51,801

9 0,1378 31,7572 15,8786 0,963788 10,436 104,360

10 0,3149 33,0566 16,5283 0,960784 4,581 45,810

11 0,2362 33,7057 16,85285 0,959239 6,117 61,173

12 0,1574 34,4054 17,2027 0,957542 9,196 91,960

13 0,1771 36,2437 18,12185 0,95292 8,213 82,127

14 0,6298 39,9219 19,96095 0,942976 2,334 23,338

15 0,4723 46,4904 23,2452 0,922932 3,180 31,796

16 0,2362 47,4936 23,7468 0,919616 6,381 63,808

17 0,1968 56,5858 28,2929 0,886542 7,944 79,440

18 0,5510 59,0616 29,5308 0,876611 2,869 28,695

19 0,2362 62,8477 31,42385 0,860673 6,818 68,178

20 0,3149 67,9031 33,95155 0,838007 5,252 52,522

21 0,5760 69,0722 34,5361 0,832543 2,890 28,902

Ukuran

56,619 nm

Sampel 2

No B (FWHM) 2θ θ cos θ S (Å) S (nm)

1 0,9446 13,983 6,9915 0,992945 1,478 14,777

2 0,9446 28,4402 14,2201 0,970922 1,511 15,112

3 0,3149 31,8275 15,91375 0,963628 4,568 45,675

4 0,3936 32,9988 16,4994 0,96092 3,665 36,646

5 0,3149 34,4769 17,23845 0,957366 4,597 45,974

6 0,3149 36,31 18,155 0,952749 4,620 46,197

7 0,3149 47,5965 23,79825 0,919272 4,788 47,879

8 0,3149 56,6646 28,3323 0,886232 4,966 49,664

9 0,9446 59,2405 29,62025 0,875878 1,675 16,752

10 0,3936 62,9206 31,4603 0,860358 4,093 40,929

11 0,3149 66,4472 33,2236 0,844695 5,211 52,106

12 0,3149 67,9981 33,99905 0,837566 5,255 52,550

13 0,3149 69,1503 34,57515 0,832175 5,289 52,890

14 0,9446 72,5601 36,28005 0,815756 1,799 17,987

15 0,576 76,9556 38,4778 0,793582 3,032 30,321

Ukuran

37,697

Ukuran rata-rata =

48,74


85

Lampiran 2 : Hasil Rekaman Uji tarik

Sampel 1: Nanokomposit PVA dan ZnS dengan komposisi (100 : 0) %


86




87




88


Sampel 4: Nanokomposit PVA dan ZnS dengan komposisi (97 : 3)%


89




90

Lampiran 7 : Hasil uji termal DSC

Sampel 1: Nanokomposit PVA dan ZnS dengan komposisi (100:0)%

Sample : S1 Purge gas : Nitrogen (20 cc/min) Scan rate : 20/min Weight : 6.8 mg


91





Sample : S2

Purge gas : Nitrogen (20 cc/min)

Scan rate : 20C/min Weight : 9.0 mg


92



Hasil Rekaman Uji Termal ...................................................................

Gambar-gambar Penelitian ...................................................................

Sample : S3




93



Sample : S4 Purge gas : Nitrogen (20 cc/min) Scan rate : 20/min Weight : 6.2 mg


94



Sample : S5




95

Lampiran 12: Foto-foto Penelitian


lampiran 1 : hasil rekaman xrd

Documents