Mbealo E, Utama QD. IDENTIFIKASI SILDENAFIL SITRAT DALAM KOPI BUBUK DAN PRODUK OLAHANNYA YANG BEREDAR DI KOTA PALU MENGGUNAKAN METODE SOLID PHASE EXTRACTION (SPE) KROMATOGRAFI LAPIS TIPIS (KLT) DAN SPEKTROFOTODENSITOMETRI: Identification Of Sildenafil Citrate in Coffee Powder And Its Processed Products Circulating In Palu City Using Solid Phase Extraction (SPE) Method Thin Layer Chromatography (TLC) And Spectrophotodensitometry. profood [Internet]. 2022Nov.30 [cited 2024Apr.20];8(2):60-72. Available from: https://profood.unram.ac.id/index.php/profood/article/view/274