Manganese dioxide causes spurious gold values in flame atomic-absorption readings from HBr-Br2 digestions
Tài liệu tham khảo
Thompson, 1968, Rapid analysis for gold in geologic material, 600-B, B130
Ward, 1969, Atomic-absorption methods of analysis useful in geochemical exploration, U.S. Geol. Surv. Bull., 1289, 33