Elemental Composition

Kelzyme® Elemental Composition

ICP-MS Analysis Lab
Diego P. Fernandez
Research Associate Professor
Department of Geology and Geophysics – College of Mines and Earth Sciences
115 South 1460 East – FASB 383,
Salt Lake City, UT

About 350 mg of a white powder finely ground was digested with -60 mL of a mixture of nitric and hydrochloric acids (Aristar Plus) at room temperature and for 12 hours in a laminar flow bench. A dilutions (1 in 20) was prepared from the digest, amounting to a total dilution from the solid 1:3,400.20 ppb In was added to the final dilution to be used as internal standard. An external calibration curve containing Li, Be, B, Na, Mg, Al, K, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Rb, Sr, Y, Mo, Ag, Cd, Sb, Cs, Ba, La, Ce, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Lu, Ti, Pb and U was run together with in the diluted sample in an ICP-MS (Agilent 7500ce) using a quartz spray chamber, PTFE nebulizer, quartz injector and platinum cones. Intensities for P, S, Ga, Ge, Br, Zr, I, Au, Hg and Bi were obtained and the concentrations estimated using a semi-quantitative method. Results are reported, in milligrams per kilogram of powder, in the table. To convert to percent, divide the values in the table by 10,000.

Elemental composition of a carbonate powder (mg/kg)

Li 1.5
Be 1.5
B 3.0
Na 69.7
Mg 2979
Al 145
K 98.2
Ca 376,500.00
Ti 22.4
V 2.4
Cr 0.8
Mn 200
Fe 553
Co 1.4
Ni 7.4
Cu 6.0
Zn 5.8
As 6.5
Se 0.04
Rb 0.55
Sr 440
Y 0.59
Mo 0.12
Ag 0.05
Cd 0.04
Sb 0.03
Cs 0.03
Ba 69
La 0.6
Ce 1.3
Nd 0.63
Sm 0.12
Eu 0.04
Gd 0.12
Tb 0.02
Dy 0.09
Ho 0.02
Lu 0.01
Tl 0.36
Pb 0.86
U 1.1
P 142
S <2000
Ga <20
Ge <1
Br <1
Zr <1
I <1
Au <0.1
Hg <0.1
Bi <0.1