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• W2963612232 abstract "<pre><span>Loose powder and eyeshadow are cosmetics often used by women in their daily activities. Some cosmetic products contain heavy metal in the composition.<em> </em></span><span lang=EN>This study aims to determine the concentration of lead in the loose powder and eyeshadow both registered and unregistered at the Food and Drug Supervisory Agency (BPOM) in Malang. The destruction method used is wet digestion in the opened and closed systems with variations of oxidizing agents of HNO₃ and HClO₄. The concentration of lead was analyzed using atomic absorption spectroscopy (AAS). The results of destruction optimization on loose powder and eyeshadow showed wet digestion in closed system gave the best destruction results. The best oxidizing agent for both products is a mixture of HNO₃: HClO₄ (2: 1). Lead concentration in the loose powder product for samples A, B, C, D was </span><span>18.90±0.35, 19.10±0.46, 23.47±0.65 and 28.90±0.35</span><span lang=EN>mg/Kg, respectively. Eyeshadow samples of E, F, G, and H contained lead concentrations were </span><span>25.67±1.76, 34.23±0.57, 45.30±0.56 and 45.90±1.78</span><span lang=EN> mg/Kg, respectively</span></pre><pre>Keywords: cosmetics, loose powder, eyeshadow, lead</pre><p class=BodyAbstract> </p><p class=BodyAbstract> </p><p class=BodyAbstract>Bedak tabur dan eyeshadow merupakan kosmetik yang sering digunakan oleh wanita dalam kehidupaan sehari-hari. Beberapa produk kosmetik mengandung logam berat dalam komposisinya. Penelitian ini bertujuan untuk menentukan kadar timbal pada bedak tabur dan eyeshadow baik yang terdaftar dan tidak terdaftar di Badan Pengawas Obat dan Makanan (BPOM) di kota Malang. Metode yang digunakan adalah metode destruksi basah (terbuka dan tertutup) dengan variasi zat pengoksidasi HNO₃ dan HClO₄. Kadar timbal dianalisis menggunakan spektroskopi serapan atom (SSA). Hasil optimasi desktruksi pada bedak tabur dan eyeshadow menunjukkan bahwa destruksi basah tertutup memberikan hasil destruksi terbaik. Adapun pengoksidasi terbaik untuk kedua produk tersebut adalah campuran HNO₃:HClO₄ (2:1). Kadar timbal bedak tabur pada sampel A, B, C, D masing-masing sebesar 18,90±0,35; 19,10±0,46; 23,47±0,65 dan 28,90±0,35 mg/Kg. Sampel eyeshadow E, F, G, dan H mengandung kadar timbal sebesar 25,67±1,76; 34,23±0,57; 45,30±0,56 dan 45,90±1,78 mg/Kg, berturut-turut.</p><p class=BodyAbstract>Kata kunci: kosmetik, bedak tabur, eyeshadow, timbal</p>" @default.
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• W2963612232 date "2019-07-23" @default.
• W2963612232 modified "2023-10-16" @default.
• W2963612232 title "Analisis Kadar Timbal (Pb) pada Bedak Tabur dan Eyeshadow dengan Variasi Metode Destruksi dan Zat Pengoksidasi dengan Spektroskopi Serapan Atom" @default.
• W2963612232 doi "https://doi.org/10.18860/al.v7i1.7016" @default.
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