Sentence examples for by electron microprobe analyses from inspiring English sources

The concentration of Ca, which was used as internal standard, was determined by electron microprobe analyses (EPMA).

Major element composition was routinely determined by electron microprobe analyses (EMP), whereas trace elements were determined using a wide variety of analytical techniques (Ni, W: INAA, EMP, ICP-AES; Re, Ir, Pt, Rh and Os: INAA, SIMS, dissolution- (diss-ICPMS) and Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICPMS)).

Analysis by optical and scanning electron microscopy and electron microprobe analyses indicated the sediment is predominantly pyrite with an average particle diameter of ~10- 1000 μM.

Step 1 was recently bolstered by the observation that anticorrelated Mn and Si electron microprobe analyses for desert varnish have a common Mn-free end-member regardless of the composition of the varnished rock [24].

Most are lead gray in colour with a metallic lustre, brittle (rarely malleable), crystalline, and difficult to tell apart without recourse to X-ray diffraction and electron microprobe analyses.

Electron microprobe analyses indicated significant amounts of oxygen contained within both quenched filaments and particles.

Granitic soils and parent rock were characterized using a profile development index, quantitative x-ray diffraction, and electron microprobe analyses.

The calibrated images obtained for both anhydrous (i.e., garnet and plagioclase) and hydrous (i.e., biotite) phases show a good fit with corresponding electron microprobe analyses.

Quantitative X-ray diffraction, X-ray fluorescence, and electron microprobe analyses were employed to quantify elemental changes in bulk soils and across plagioclase grains.

Detailed petrography and electron microprobe analyses (n = ∼1400) were performed on samples of rock cuttings from eleven wells that intersect different parts of the hydrothermal system.

Electron microprobe analyses of siltstone/shale thin sections from the Smoky Canyon Mine in the WPRA were performed by Bond.[29] This work identified pyrite and sphalerite grains in the rock, with pyrite comprising about 0.2% (by area) of the sample studied.