BAB 5 KESIMPULAN DAN SARAN
5.2 Saran
Berdasarkan penelitian yang dilakukan disarankan untuk melakukan penelitian lebih lanjut mengenai penambahan bahan dalam pembuatan membran
nanofiber CA yang dapat meningkatkan sifat mekanik dan kinetik membran serta penelitian lebih lanjut mengenai uji lifetime membran sehingga dapat diaplikasikan pada hemodialisis secara berkala.
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LAMPIRAN
1. Perhitungan pembuatan larutan induk Kreatinin 100mg/L Massa = 10.0000 mg Volume = 100 ml Konsentrasi/C = 10 𝑚𝑔 100 𝑚𝑙 = 10 𝑚𝑔 0.1 𝐿 = 100 𝑚𝑔 1 𝐿
2. Perhitungan pembuatan larutan standar Kreatinin a. Pembuatan larutan standar 1 mg/L
M1 x V1 = M2 x V2
100 mg/L x V1 = 1 mg/L x 10 ml
V1 = 0,1 ml
b. Pembuatan larutan standar 2 mg/L M1 x V1 = M2 x V2
100 mg/L x V1 = 2 mg/L x 10 ml
V1 = 0,2 ml
c. Pembuatan larutan standar 3 mg/L M1 x V1 = M2 x V2
100 mg/L x V1 = 3 mg/L x 10 ml
V1 = 0,3 ml
d. Pembuatan larutan standar 4 mg/L M1 x V1 = M2 x V2
100 mg/L x V1 = 4 mg/L x 10 ml
V1 = 0,4 ml
e. Pembuatan larutan standar 5 mg/L M1 x V1 = M2 x V2
100 mg/L x V1 = 5 mg/L x 10 ml
5 0.3 – 3 jam 0.0012 0.03 0.04 2.94 3.92 10.00 9.88 3.1 6.90 6.78
6 0.5 – 3 jam 0.0012 0.04 0.03 3.92 2.94 10.58 10.18 3.1 7.48 7.08
7 0.7 – 3 jam 0.0012 0.05 0.05 4.90 4.90 12.67 11.09 3.1 9.57 7.99
No Perlakuan Frata-rata ∆lrata-rata Tegangan (σ) (N/m2) σ (MPa) Regangan (ε) Modulus Young (E) (GPa)
1 0.1 – 1 jam 1.96 5.38 1633.3333 0.001633 1.737097 0.940266 x 10-5 2 0.1 – 3 jam 2.45 6.56 2041.6667 0.002042 2.116129 0.962611 x 10-5 3 0.1 – 5 jam 2.94 6.57 2450.0000 0.002450 2.120968 1.157774 x 10-5 4 0.1 – 7 jam 3.92 8.57 3266.6667 0.003267 2.764516 1.181641 x 10-5 5 0.3 – 3 jam 2.29 6.84 1905.5556 0.001906 2.205376 0.811432 x 10-5 6 0.5 – 3 jam 2.29 7.28 1905.5556 0.001906 2.348387 0.864050 x 10-5 7 0.7 – 3 jam 4.90 8.78 4083.3333 0.004083 2.832258 1.441724 x 10-5 ADLN - PERPUSTAKAN UNIVERSITAS AIRLANGGA PEMBUATAN DAN KARAKTERISASI
Luas membran (A) A = p x l
= 6 x 2 = 12 cm2 = 0.0012 m2
Tegangan, regangan dan Modulus Young membran perlakuan 0.1 μL/h–1 jam a) Tegangan σ = Frata-rata/A = 1.96/0.0012 = 1633.33 N/m2 = 0.001633 MPa b) Regangan ε = ∆l/lo = 5.385/3.1 = 1.7371 c) Modulus Young E = σ/ ε = 0.001633/1.7371 = 0.940266 x 10-2 MPa = 0.940266 x 10-5 GPa
Tegangan, regangan dan Modulus Young membran perlakuan 0.1 μL/h–3 jam a) Tegangan σ = Frata-rata/A = 2.45/0.0012 = 2041.67 N/m2 = 0.002042 MPa b) Regangan ε = ∆l/lo = 6.560/3.1 = 2.1161 c) Modulus Young E = σ/ ε = 0.002042/2.1161 = 0.962611 x 10-2 MPa = 0.962611 x 10-5 GPa
Tegangan, regangan, Modulus Young membran perlakuan 0.1 μL/h–5 jam a) Tegangan σ = Frata-rata/A = 2.94/0.0012 = 2450.00 N/m2 = 0.002450 MPa b) Regangan ε = ∆l/lo = 6.5750/3.1 = 2.1210
c) Modulus Young E = σ/ ε
= 0.002450/2.1210 = 1.157774 x 10-2 MPa = 1.157774 x 10-5 GPa
Tegangan, regangan dan Modulus Young membran perlakuan 0.1 μL/h–7 jam a) Tegangan σ = Frata-rata/A = 3.92/0.0012 = 3266.67 N/m2 = 0.003267 MPa b) Regangan ε = ∆l/lo = 8.570/3.1 = 2.7645 c) Modulus Young E = σ/ ε = 0.003267/2.7645 = 1.181641 x 10-2 MPa = 1.181641 x 10-5 GPa
Tegangan, regangan dan Modulus Young membran perlakuan 0.3 μL/h–3 jam a) Tegangan σ = Frata-rata/A = 2.29/0.0012 = 1905.55 N/m2 = 0.001905 MPa b) Regangan ε = ∆l/lo = 6.84/3.1 = 2.2054 c) Modulus Young E = σ/ ε = 0.001905/2.2054 = 0.811432 x 10-2 MPa = 0.811432 x 10-5 GPa
Tegangan, regangan dan Modulus Young membran perlakuan 0.5 μL/h–3 jam a) Tegangan σ = Frata-rata/A = 2.29/0.0012 = 1905.55 N/m2 = 0.001905 MPa b) Regangan ε = ∆l/lo = 7.28/3.1 = 2.3484
c) Modulus Young E = σ/ ε
= 0.001905/2.3484 = 0.864050 x 10-2 MPa = 0.864050 x 10-5 GPa
Tegangan, regangan dan Modulus Young membran perlakuan 0.7 μL/h–3 jam a) Tegangan σ = Frata-rata/A = 4.90/0.0012 = 4083.33 N/m2 = 0.004083 MPa b) Regangan ε = ∆l/lo = 8.78/3.1 = 2.8323 c) Modulus Young E = σ/ ε = 0.004083/2.8323 = 1.441724 x 10-2 MPa = 1.441724 x 10-5 GPa 4. Perhitungan permeabilitas (fluks)
a. Luas permukaan membran A = π x r2 = 3,14 x (2,5)2 = 19,625 cm2 = 19,625 x 10-4 m2 b. Nilai fluks J = V/(A x t) = 0,05/19,625 x 10-4 x 0,00277 = 0,05/5,445 x 10-6 = 9182,736 L/m2.jam 5. Perhitungan selektivitas (rejeksi)
Cf = 2 ppm Absorbansi permeat = 0.115 y = 0.075x - 0.033 0.115 = 0.075x - 0.033 0.148 = 0.075x x = 1.973 ppm Cp = 1.973 ppm Rejeksi : R = (1-Cp/Cf) x 100% = (1-1.973/2.000) x 100% = 1.35%
6. Tabel absorbansi larutan standar Kreatinin Konsentrasi larutan induk (mg/L) Absorbansi 1 0.048 2 0.113 3 0.181 4 0.278 5 0.343
7. Proses dead-end untuk uji kinetik membran nanofiber