PENENTUAN KADAR LOGAM BERAT TIMBAL (Pb) DAN Kadmium (Cd) PADA KERANG BULU (Anadara antiquata) DI PERAIRAN SEDANAU KABUPATEN NATUNA (DETERMINATION OF LEVELS OF HEAVY METALS Lead (Pb) AND Cadmium (Cd) IN BULU SHELLS (Anadara antiquata) IN SANDANA WATERS, NATUNA REGENCY)
Indonesian journal of pure and applied chemistry