𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Determination of sulfur, nickel and vanadium in fuel and residual oils by x-ray fluorescence spectrometry

✍ Scribed by Eric R. Denoyer; Lester A. Siegel

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
370 KB
Volume
192
Category
Article
ISSN
0003-2670

No coin nor oath required. For personal study only.

✦ Synopsis

The determination of sulfur, nickel and vanadium in fuel and residual oils by wavelength-dispersive x-ray fluorescence spectrometry is reported. Calibration is initially established with matrix-matched synthetic standards, and maintained free of instrumental drift by daily normalization to a reference standard. An epoxy-cast reference standard pellet offers mechanical rigidity and chemical stability for at least nine months. Matrix effects of sulfur and carbon are studied and corrected. Results for NBS SRM oils fall within the NBS certified values, with imprecision (% RSD) for S, Ni, and V of 1.1, 1.5 and l.O%, respectively. Detection limits (3 s.d.) are 20 yg g-' for sulfur and 0.8 pg g-' for NI and for V.

πŸ“œ SIMILAR VOLUMES

Certification of sulfur in SRM 2724 dies
Certification of sulfur in SRM 2724 diesel fuel oil by isotope dilution thermal ionization mass spectrometry and X-ray fluorescence
✍ W.Robert Kelly; Robert D. Vocke Jr; John R. Sieber; Thomas E. Gills πŸ“‚ Article πŸ“… 1993 πŸ› Elsevier Science 🌐 English βš– 434 KB

SRM 2724 is a no. 2-D diesel fuel oil that has been certified for total sulfur concentration at 425 +4 pg g-' (95% confidence interval) by isotope dilution thermal ionization mass spectrometry, which is the most accurate and precise method for the determination of sulfur in many different matrices.

Determination of the phosphorus and sulp
Determination of the phosphorus and sulphur content in edible oils and fats by wavelength-dispersive x-ray fluorescence spectrometry
✍ G. van Dalen πŸ“‚ Article πŸ“… 1998 πŸ› John Wiley and Sons 🌐 English βš– 300 KB πŸ‘ 2 views

A method was developed for the determination of phosphorus and sulphur in edible oils and fats by wavelengthdispersive x-ray Γ‘uorescence (WDXRF) spectrometry. The samples were measured in disposable liquid cells after solidiÐcation with 15% stearic acid to obtain a stable measurement. The WDXRF meth

Determination of thallium in sulphide ge
Determination of thallium in sulphide geological samples by x-ray fluorescence spectrometry
✍ Dragan MihajloviΔ‡; Trajče Stafilov πŸ“‚ Article πŸ“… 1998 πŸ› John Wiley and Sons 🌐 English βš– 78 KB πŸ‘ 2 views

A method for determination of thallium in sulphide geological samples by x-ray Γ‘uorescence spectrometry is presented. The samples were prepared in form of glass discs by fusion with lithium tetraborate and with potassium nitrate as an oxidizing agent. The limit of determination was 0.016% (w/w) Tl,