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Keywords: trace elements
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eBook Chapter
Series: ASTM Monographs
Publisher: ASTM International
Published: 2014
ISBN: 978-0-8031-7044-5
... to petroleum lubricants to enhance their performance in engines. trace elements mercury sulfur petroleum products additives 2 Importance of Elemental Analysis of Fossil Fuels THE REASON FOR THE INTEREST IN ELEMENTAL ANALYSIS OF petroleum products is twofold. First, many metals and nonmetals...
eBook Chapter
Series: ASTM Monographs
Publisher: ASTM International
Published: 2014
ISBN: 978-0-8031-7044-5
... are widely used analytical techniques. These are discussed with examples of analysis of lubricants. additives lubricants trace elements sulfur elemental analysis 9 Elemental Analysis of Lubricants and Additives A MAJOR PORTION OF THE OIL INDUSTRY IS INVOLVED IN THE manufacturing of lubricants...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2005
ISBN-10: 0-8031-3494-0
ISBN: 978-0-8031-3494-2
... transverse heated filter atomizer gasoline diesel fuel trace elements Journal of ASTM International, July/August 2005, Vol. 2, No. 7 Paper ID JA112976 Available online at www.astm.org Paolo TittarellL 1Marco Priola, 1Silvia Ricchiuto, ~Dmitri A. Katskov, 2 and Prince Ngobeni2 Fuel Analysis by Filter...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1996
ISBN-10: 0-8031-2043-5
ISBN: 978-0-8031-2043-3
... inadequate to produce contaminant-free trace-element data on a consistent basis. This led to development of a new protocol for collecting, processing, and analyzing filtered water samples for the analysis of trace elements at the 1 microgram-per-liter (ug/L) level using “clean” procedures. The protocol...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1994
ISBN-10: 0-8031-2011-7
ISBN: 978-0-8031-2011-2
... Trace elements can reduce the fracture resistance of Zr-2.5Nb pressure tubes. The effects of hydrogen as hydrides and oxygen as an alloy-strengthening agent are well known, but the contributions of carbon, phosphorus, chlorine, and segregated oxygen have only recently been recognized. Carbides...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1991
ISBN-10: 0-8031-1407-9
ISBN: 978-0-8031-1407-4
... Multiple linear regression models calculated from readily obtainable chemical and physical parameters can explain a high percentage (70% or greater) of observed sediment trace-element variance for Cu, Zn, Pb, Cr, Ni, Co, As, Sb, Se, and Hg. Almost all the factors used in the various models fall...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1990
ISBN-10: 0-8031-1271-8
ISBN: 978-0-8031-1271-1
... activation analysis neutron activation analysis municipal incinerators refuse combustion trace elements trace element analysis urban aerosols Robert R. GreenbergI Analysis of Atmospheric Particulate Samples via Instrumental Neutron Activation Analysis REFERENCE: Greenberg, R. R., "Analysis...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1989
ISBN-10: 0-8031-1176-2
ISBN: 978-0-8031-1176-9
... particles calcium coarse particles deposition velocity energy conservation filtration fine particles HVAC indoor air inorganic gases ionic compounds mass balance model paniculate organics sulfate trace elements volatile organic compounds C. J. Weschler, t H. C. Shields, t S. P. Kelty, 1 L...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1988
ISBN-10: 0-8031-1175-4
ISBN: 978-0-8031-1175-2
...-ray fluorescence analysis) are called for to assess waste content (but not availability) when solubility limitations are present. environmental analysis trace elements experimental design ICP-AES Thomas A. Hinners,' Clifton L. Jones, ^ J. Homigol Biesiada, ^ Donald M. Schoengold, ^ Thomas...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1987
ISBN-10: 0-8031-0947-4
ISBN: 978-0-8031-0947-6
... of metallic coatings to insure accurate and meaningful information is provided. metallic alloys coating composition trace elements inductively coupled plasma electroless nickel autocatalytic nickel chemical stripping of metals Phillip D. Stapleton^ Determining Coating Composition REFERENCE...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1985
ISBN-10: 0-8031-0427-8
ISBN: 978-0-8031-0427-3
... is presently indeterminable, it is clear that the biological system as a whole must be considered when assessing the longterm biocompatibility of implanted Type 316L stainless steel. corrosion biocompatibility animal model systemic effects iron metabolism chromium trace elements organ...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1984
ISBN-10: 0-8031-0405-7
ISBN: 978-0-8031-0405-1
... soybean sugarcane Chlorella pyrenoidosa plant nutrients trace elements protein hazardous wastes industrial wastes Ming-Hung Wong} Wing-Cheung Chan,^ and Lee-Man Chu^ Food Processing Wastes as Nutrient Sources in Algal Growth REFERENCE: Wong, M.-H., Chan, W.-C, and Chu, L.-M., "Food Processing...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1983
ISBN-10: 0-8031-0258-5
ISBN: 978-0-8031-0258-3
... concentrations in raw shale oil and for refined products of Jet A turbine fuel. The accuracy between laboratories was within 40 ppb. alternative fuels sulfur hydrogen sulfide total sulfur trace elements analyzers sour gas Hydrogenation Charles L. Kimbell^ Sulfur Measurement in Liquid and Gaseous...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1981
ISBN-10: 0-8031-0743-9
ISBN: 978-0-8031-0743-4
... spectroscopy steel alloys trace elements metals analytical techniques trace constituents James Belliveau,' Hank Griffin,^ and Arnold Savolainen^ Multielement d-c Plasma Emission Spectrometric Analysis of Steels and Irons REFERENCE: Belliveau, James, Griffin, Hank, and Savolainen, Arnold, "Multielement...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1980
ISBN-10: 0-8031-0763-3
ISBN: 978-0-8031-0763-2
... of some waters was significantly reduced during filtration by crystallization and bacterial uptake. KEY WORDS: oil shale, in situ retort waters, trace elements, particulates, characterization, analysis, water, alternative fuels, aquatic toxicology Oil shales contain organic material in a mineral matrix...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1978
ISBN-10: 0-8031-0543-6
ISBN: 978-0-8031-0543-0
... spectroscopy chemical analysis Auger electrons thin films photoelectrons trace elements surface properties L. V. Phillips, * Lawrence Salvati,' W. J. Carter, * and D. M. Hercules^ Some Aspects of Quantitative Surface Analysis by Electron Spectroscopy for Chennical Analysis REFERENCE: Phillips, L. V...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1977
ISBN-10: 0-8031-0355-7
ISBN: 978-0-8031-0355-9
... Atomic absorption with the high-temperature graphite tube furnace as an atomization source has proven to be particularly versatile in the determination of trace elements in complex alloys such as those used in gas turbine engines. Elements which are harmful to mechanical properties at levels...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1977
ISBN-10: 0-8031-0355-7
ISBN: 978-0-8031-0355-9
... Atomic emission spectroscopy (AES) combined with an inductively coupled plasma (ICP) excitation source is discussed as an attractive alternative approach to “flameless” atomic absorption spectroscopy for the determination of trace elements in liquid samples of limited volume. The AES-ICP...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1977
ISBN-10: 0-8031-0355-7
ISBN: 978-0-8031-0355-9
... absorption trace elements molybdenum matrices cadmium lead selenium E. L. Henn^ Use of Molybdenum in Elinninating Matrix Interferences in Flameless Atomic Absorption REFERENCE: Henn, E. L., "Use of Molybdenum in Eliminating Matrix Interferences in Flameless Atomic Absorption," Flameless Atomic...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1976
ISBN-10: 0-8031-0297-6
ISBN: 978-0-8031-0297-2
... for sulfates, nitrates, and trace elements have been developed. The standards for sulfates, nitrates, and volatile trace elements were deposited in the form of solutions on glass fiber filters and dried. The standards for nonvolatile trace elements were prepared from -10-μm quartz powder spiked with compounds...