Chemistry: analytical and immunological testing – Geochemical – geological – or geothermal exploration – Using chemical tracers
Patent
1997-07-08
1998-12-15
Alexander, Lyle A.
Chemistry: analytical and immunological testing
Geochemical, geological, or geothermal exploration
Using chemical tracers
436 56, 436106, 436110, G01N 3322
Patent
active
058495908
ABSTRACT:
Rare elements, which can be selected from Ni, Cu, W, Li, N, Ce, Sn, Y, Nd, Nb, Co, La, Pb, Ga, Mo, Th, Cs, Ge, Sm, Gd, Be, Pr, Se, As, Hf, Dy, U, B, Yb, Er, Ta, Br, Ho, Eu, Sb, Tb, Lu, Tl, Hg, I, Bi, Tm, Cd, Ag, In, Se, Pd, Pt Au, He, Te, Rh, Re, Ir, Os, and Ru can be used to tag commodities, including explosive materials, with a unique tagging agent.
REFERENCES:
patent: 3772099 (1973-11-01), Ryan et al.
Anderson, II David K.
Gonzalez Manuel E.
Valenti Nicholas Paul
Alexander Lyle A.
Casperson John R.
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