{"id":3705,"date":"2025-07-10T14:46:48","date_gmt":"2025-07-10T06:46:48","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=3705"},"modified":"2025-07-10T14:46:48","modified_gmt":"2025-07-10T06:46:48","slug":"determination-of-gold-in-ore-dissolution-solution-flame-atomic-absorption-spectrometry","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/id\/applications\/determination-of-gold-in-ore-dissolution-solution-flame-atomic-absorption-spectrometry","title":{"rendered":"Penentuan Emas dalam Solusi Larutan Bijih (Spektrometri Penyerapan Atom Api)"},"content":{"rendered":"
    \n
  1. Gambaran Umum Metode<\/li>\n<\/ol>\n

    Sampel bijih larut diukur untuk absorbansi pada 242,8 nm menggunakan spektrometer penyerapan atom, dan kandungan emas dikuantifikasi dengan perbandingan dengan kurva standar.<\/p>\n

      \n
    1. 2. Instrumen dan Reagen<\/li>\n<\/ol>\n

      2.1 Instrumen dan Peralatan<\/p>\n

      2.1.1 Instrumen Deteksi<\/p>\n

      Spektrofotometer Penyerapan Atom Api (Dengan Lampu Katoda Berrong Emas)<\/p>\n

      Asetilena (1 botol, Kemurnian\u226599,99%)<\/p>\n

      Kompresor Udara (Tekanan Discharge Rated: 0,3 MPa)<\/p>\n

      2.1.2 Peralatan Praperawatan<\/p>\n

      Sistem Air Ultra-Murni<\/p>\n

      Mikropipet<\/p>\n

      Botol Volumetrik<\/p>\n

      2.2 Reagen<\/p>\n

      2.2.1 Reagen<\/p>\n

      Asam hidroklorik<\/p>\n

      2.3 Standar<\/p>\n

      2.3.1 Solusi stok<\/p>\n

      GSB04-1715-2004 Solusi Saham Standar Emas 1000 \u03bcg \/ mL<\/p>\n

        \n
      1. Pengujian sampel<\/li>\n<\/ol>\n

        3.1 Kondisi Pengujian<\/p>\n

        Kondisi pengujian referensi untuk spektrofotometer penyerapan atom api:<\/p>\n

        Unsur Emas<\/p>\n

        Panjang gelombang (nm) 242,8<\/p>\n

        Lebar Band Spektral (nm) 0,4<\/p>\n

        Alat lampu saat ini (mA) 4.0<\/p>\n

        Tinggi gas (mm) 6<\/p>\n

        Tingkat Aliran Gas (mL \/ min) 1300<\/p>\n

        Tekanan Kompresor Udara (MPa) 0,22<\/p>\n

        3.2 Langkah Pengujian Sampel<\/p>\n

        Sesuaikan instrumen ke keadaan kerja optimalnya, menyalakan api, dan menyesuaikan laju aliran gas. Secara berurutan menguji solusi standar dan sampel, membaca data, memasukkan berat sampel, dan melihat dan merekam hasilnya.<\/p>\n

        3.3 Perhitungan Hasil<\/p>\n

        Kandungan emas dalam sampel dihitung menggunakan rumus berikut:<\/p>\n

        \"\"<\/p>\n

        Di mana:<\/p>\n

        \u03c1(Au) Konsentrasi massa emas dalam larutan uji, dalam miligram per liter (mg\/L);<\/p>\n

        m - Massa emas dalam sampel yang diperoleh dari kurva kalibrasi, dalam mikrogram (\u03bcg);<\/p>\n

        V - Volume larutan sampel, dalam mililiter (mL).<\/p>","protected":false},"excerpt":{"rendered":"

        Method Overview The dissolved ore sample is measured for absorbance at 242.8 nm using an atomic absorption spectrometer, and the gold content is quantified by comparison with a standard curve. 2. Instruments and Reagents 2.1 Instruments and Equipment 2.1.1 Detection Instruments Flame Atomic Absorption Spectrophotometer\u00a0(With Gold Hollow Cathode Lamp) Acetylene\u00a0(1 bottle,Purity\u226599.99%) Air Compressor\u00a0(Rated Discharge Pressure: […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36,75],"tags":[],"class_list":["post-3705","post","type-post","status-publish","format-standard","hentry","category-applications","category-environment"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/id\/wp-json\/wp\/v2\/posts\/3705","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pgeneral.com\/id\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pgeneral.com\/id\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/id\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/id\/wp-json\/wp\/v2\/comments?post=3705"}],"version-history":[{"count":0,"href":"https:\/\/www.pgeneral.com\/id\/wp-json\/wp\/v2\/posts\/3705\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/id\/wp-json\/wp\/v2\/media?parent=3705"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/id\/wp-json\/wp\/v2\/categories?post=3705"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/id\/wp-json\/wp\/v2\/tags?post=3705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}