Page 31 - Shimadzu Journal vol.8 Issue2

Shimadzu

Selection These article were selected by Shimadzu. Relating HPI analysis and development, they are
from posters presented at Gulf Coast Conference 2019, ASMS 2020 and from application notes.
They feature a variety of instruments we produce and include cutting-edge technologies.
Please obtain the articles of your interest through the links on the titles.

From Crude to Fuels – Trace Metals Analysis Evaluation of Long-term Stability of
by ICP-OES for ASTM D7691 and D7111 Analysis of Fuel Dilution for Engine Oils
Understanding the metals content of crude oil and refined fuels are critical using a Backflush GC System
to assessing their value, determining refining workflows, and ensuring ap- Fuel contamination such as gasoline/diesel in engine oil is known to
propriate functionality during combustion. To accomplish testing for trace decrease the viscosity of lubricating engine oil. This contamination also
metals in crude oils and fuels derived from them, laboratories typically ad- known as fuel dilution leads to a shortened lifetime of engine oil. For this
here to standard test methods from organizations such as ASTM or UOP, reason, the extent to which a fuel is diluted is an important indicator of
among others. Here, we present trace metals data acquired using a Shi- engine oil conditions. Test methods used to measure the fuel dilution rate
madzu ICPE-9820 in compliance with ASTM D7111 for middle distillates. are standardized by U.S. ASTM D3524, D3525 and D7593. ASTM D7593
The ICPE-9820 is ideally suited for oil and fuels analysis. regulates gasoline, diesel oil and biodiesel. In this experiment, a long-term
stability of Shimadzu GC was examined in the analysis of diesel fuel dilu-
tion in engine oil using a backflush system according to ASTM D7593.

Using a Barrier Ion Discharge Detector for Energy Dispersive X-ray Fluorescence
Trace Water Analysis: An Alternative to Spectroscopy for Analysis of Sulfur and
the Karl Fischer Titration Technique Other Elements in Petroleum Products
The determination of water content in a sample is among the most widely In 2017, the Environmental Protection Agency (EPA) enacted Tier 3 reg-
used analyses. Water within a sample can provide positive benefits as well ulations on sulfur content in fuels which changed the maximum allowable
as negative impacts on goods depending on its abundance. In polymer and sulfur content from 30 parts per million on an average annual basis to 10
plastics manufacturing, including polysiloxanes, excess water in precursor parts per million. In addition, the International Marine Organization (IMO)
components can negatively impact the desired structural properties of the will implement on January 2020 a directive to reduce sulfur in marine/
final product and be detrimental to its visual properties. Shimadzu’s propri- bunker fuels to less than 0.5 percent. With these two pieces of legislation,
etary Barrier Discharge Ionization Detector (BID) coupled with Supelco’s quantifying sulfur in petroleum products is now becoming ever more im-
WaterCol™ column is a great alternative to the Karl Fischer Titration tech- portant. In this poster, we demonstrate how a Shimadzu Energy Dispersive
nique for trace moisture analysis. X-ray (EDX) spectrometer can be used for not only sulfur determination in
petroleum products, but also for quantification of other elements in addi-
tion to sulfur.

Detailed analysis of lubricant deterioration Analysis of Aromatic Hydrocarbons
using multiple analyzers in Fuels by ASTM D6379 and D6591
Engine lubricants play an important role in lubrication, cooling, cleaning, on a Single HPLC Platform
and rust prevention for vehicles, construction machinery, ships, airplanes, Determining the aromatic content of hydrocarbon fuels is crucial to assess-
and other equipment with internal combustion or turbine engines. As the ing their combustion characteristics and compliance with environmental
lubricant deteriorates through use, its performance will decline and the regulations. Two methods that are used for quantitation of aromatic com-
inside of the engine can wear, leading to a decrease in service life and ponents of fuels are ASTM D6379 and D6591, for kerosene and middle
potential malfunction. Lubricants deteriorate due to decomposition and distillates (e.g., jet fuel) and diesel fuel, respectively. This poster demon-
chemical changes of oil components and additives caused by physical and strates the detection and quantitation of MAH and DAH by ASTM D6379,
thermal stresses, as well as contamination by metal wear particles and as well as detection and quantitation of MAH, DAH, and T+AH by ASTM
incorporated fuel. Therefore, it is recommended to analyze the lubricant D6591 using a single Prominence HPLC.
throughout its lifespan to assess its quality, utility, and remaining service
life. These analyses can be accomplished with a number of instruments,
including FTIR, GC, and ICP-AE

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