BCRP1 gene

[1] A systematic multi-isotopic and trace element characterization of U.S. Geological Survey reference materials has been carried… Expand

Nd isotopes represent one of the best tools to investigate the processes involved in the evolution of the continental crust and… Expand

Abstract Isotope dilution mass spectrometry is an ideal analytical technique to measure the elemental abundance of Mo in C1… Expand

We have determined abundances of Li, Rb, and Sr in AC-E using isotope-dilution Mass-spectrometery. The well characterized rock… Expand

Enhancement of sensitivity by factors of up to 1.5 by use of the microsampling technique, coupled with the advantage of using… Expand

Procedures are described which permit mass spectrometric isotope-dilution analysis to be used to determine Ag, Te and Pd in rock… Expand

A method for the determination of total iron in silicate rocks is described. It is based on spectrophotometric titration of iron… Expand

 

A neutron-activation scheme designed for the determination of 42 elements in lunar rocks and fines is described. The scheme is… Expand

Each core sample was first crushed and mixed to permit packaging in small polyethylene vials. Where sample size permitted, two… Expand