PREPARATION OF EGGSHEL NANOPARTICLES BY SONICATION USING FACTORIAL DESIGN AND ITS CHARACTERIZATION
At previous study, the microparticles of eggshell could increase the SPF value which was tested to rabbit skin. However, since the microparticles remains relatively as coarse particles, it could give the uncomfortable use at human skin, not provide the optimum effect, and cause low irritation. T...
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| Format: | Theses |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/45600 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |