Inductively coupled plasma mass spectrometry lab
Center for Water, Ecosystem, and Climate Science
Dr. Diego P. Fernandez, Research Assistant Professor
Dr William P. Johnson, Professor
Agilent 7500ce, quadrupole mass-spectrometer with an octopole reaction system to preferentially remove polyatomic interferences. Autosampler Cetac AS 520; quartz Scott type, PTFE cyclonic and quartz double-pass spray chambers; platinum or nickel cones; quartz shielded torch.
Particle Sizing 1nm to 2000 nm available via MALLS and DLS
For more information, click here.
ICP-MS analyses are presently performed for aqueous samples, although organic matrices can be considered. Solid samples are also accepted, and the charge will be negotiated on the basis of the particular digestion procedure. Aqueous samples will be delivered at CWECS with the following considerations: volumes between 2 mL and 100 mL will be accepted, the lower limit depending on the concentration (2 mL is usually enough for concentrations in the order or parts per million). Preferably all samples should be filtered (0.45 mm) and acidified (to yield 2.4% nitric acid) and heated (either 12 hrs at 60° C in closed tube; or 1 hr at 95° C in an open tube). In case the analyses require any of these procedures and they are not performed by the client, CWECS can do it for an extra charge. Basic QA/QC reporting includes continuing calibration verification and blank verification. Spikes, serial dilutions, and duplicates can also be included upon request. 15-day turn-around-time (TAT) for samples not requiring digestion procedures. CWECS will not be responsible for sample collection, preservation, and generation of chain-of-custody forms, shipping and handling. CWECS will hold samples for 2 months.
Matrix matched external calibration quantitative
25-element suite with basic QA/QC (+/- 10 % or better precision)
Be, Na, Mg, Al, K, Ca, Fe, V, Cr, Mn, Co, Ni, Cu, Zn, As, Se, Mo, Ag, Cd, Sb, Ba, Au, Hg, Tl, Pb, and U
Additional elements available
Semi-quantitative 66-element scan
(+/- 25 % precision)
Be, Na, Mg, Al, K, Ca, Fe, V, Cr, Mn, Co, Ni, Cu, Zn, As, Se, Mo, Ag, Cd, Sb, Ba, Hg, Tl, Pb, and U
Li, B, Si, P, S, Cl, Ti, Ga, Br, Rb, Sr, Zr, Nb, Ru, Rh, Pd, Sn, Te, I, Cs, La, Ce, Pr, Nd, Sm, Eu, Gd, Dy, Er, Tm Yb, Lu, Hf, Ta, W, Re, Os, Ir, Pt, Au, and Th
Isotope Dilution Quantitative Analyses
(+/- 2 % or better precision):
Ba, Cd, Cr, Fe, Pb, Li, Mg, Ni, Se, Ag, Sr, Tl, Sn, Zn
Quantitative 25-element suite
Internal (University of Utah): $18 for the first element plus $1.50 for each additional element (e.g. $54 for a 25 element suite) External: $36 for the first element plus $3.00 for each additional element (e.g. $108 for 25 element suite)
Semi-quantitative 66-element scan
Internal (University of Utah): $50
Single Element Isotope Dilution
Internal (University of Utah): $40
Silicate Rock or Biological Tissue Digestion
Internal (University of Utah): $25
Trained users are charged $ 27.50 per hour (University of Utah only)
Minimum charge: $75 (Internal), $150 (External).
Discounts available for orders larger than 100 samples.
Dynamic light scattering (DLS) and Zeta potential analyses are offered as analyses in the ICP-MS recharge center, located in FASB 475. Descriptions of the instruments performing these analyses are given by clicking on the links (DLS = NanoStar3, zeta potential = Mobius). To schedule analyses or instrument time, contact Professor W.P. Johnson (email@example.com, 801-664-8289). Please attach a signed pdf of the DLS-zeta potential use protocol as well requested dates to facilitate scheduling on the DLS-zeta potential calendar.
Users will need to provide (for each usage) when they come to run the samples:
1) a project account number with charge code
2) a campus order
3) a signature and complete information in the instrument log book on site
DLS: Assisted use only: $7.5 per hour plus $1 per sample, minimum of 1 hour usage.
Mobius: Assisted use only: $7.5 per hour plus $3 per sample,
Off campus researchers
DLS: Assisted use only: $50 per hour.
Mobius: Assisted use only: $50 per hour plus $3 per sample.
Information for decisions regarding accessibility, training, and maintenance of FFF-MALS-DLS-Mobius systems. Click here.