XRF analysis XRF measurements were performed on a Bruker ...
XRF APPLICATION MODULES - Prolab Systems Jeddah... · XRF APPLICATION MODULES By: ... – For the...
Transcript of XRF APPLICATION MODULES - Prolab Systems Jeddah... · XRF APPLICATION MODULES By: ... – For the...
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XRF APPLICATION MODULES
By: Matthew Rayner
1Middle East Workshops April 2012
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The biggest challenge with XRF…
• XRF analysis is only as good as the standards used to set up the calibrations
– International standards
– Vendor-supplied standards
– In-house standards
– Custom standards
– “Standardless”
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PANalytical Solutions for the Middle East
• OIL TRACE & VHG Calibration Sets– For the oil & fuels industry
• ADPOL & TOXEL– For the polymers & plastics industry
• WROXI– For the mining & cement industries and academia
• CEMOXI– For the cement industry
• OMNIAN– Standardless analysis for everyone
• Customized solutions for our customers3Middle East Workshops April 2012
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PANalytical Solutions: Oil & Fuels Industry
• OIL TRACE– Is a package that contains mathematical
corrections for the analysis of oils and fuels
– S in petroleum products
– Fe, Na, Sb & K for process efficiency
– Additives & stabilizers in lubricating oils
– Wear metals in lubricants
– S, Ni, Cl and V in waste oil
– Petroleum coke analysis
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PANalytical Solutions: Oil & Fuels Industry
• Automatic dark matrix (COH) corrections– ensures that all types of petrochemical liquids can
be analyzed with the same package
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PANalytical Solutions: Oil & Fuels Industry
• Independent of sample volume, density & mass
– Wedge effect (fluorescence volume geometry –FVG) correction
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PANalytical Solutions: Oil & Fuels Industry
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Calibration
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PANalytical Solutions: Oil & Fuels Industry
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Sample Analysis
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PANalytical Solutions: Oil & Fuels Industry
• VHG Laboratory Standards– Individual calibration sets
• S in diesel
• S in white oil
• S in isooctane (gasoline)
• S in biodiesel
• S in crude oil
• Pb in gasoline
• Wear metals in oils and fuels
• Additives in lubricating oils9Middle East Workshops April 2012
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Example: Sulfur in Petroleum Products
• Sulfur in diesel according to ISO 20884:04 & sulfur in oil according to ASTM D2622-10
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Oil Trace - Sulfur in Petroleum Products
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• Precision of the results (norm conformity)
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Oil Trace - Sulfur in Petroleum Products
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Oil Trace – Additives in Lubricating Oils
• Analysis of additives in lubricating oils according to ASTM D4927 & D6443
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PANalytical Solutions: Polymers and Plastics
• ADPOL – Developed by PANalytical & DSM-Resolve
Polymer R&D Laboratory
– Specifically for the analysis of F, Na, Mg, Al, Si, P, S, Ca, Ti, & Zn as additives in plastics and polymers
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PANalytical Solutions: Polymers and Plastics
• ADPOL Package Contains– 4 polyethylene based CRM’s (40 mm x 2 mm)
– 1 blank
– All as pressed disks (ready for use)
– Duplicates of the CRM’s
– Certificates
– CD for setup
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Example: Analysis of sub-ppm Ti in polyolephins
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• Ti is a constituent of the relatively expensive Ziegler-Natta catalyst system, used in the production of polyolephins
• Determining [Ti] is important for quality control and catalyst recovery
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Example: Analysis of sub-ppm Ti in polyolephins
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PANalytical Solutions: Polymers and Plastics
• TOXEL– Similar to ADPOL
– For the analysis of toxic metals, including Cr, Ni, Cu, Zn, As, Br, Cd, Ba, Hg & Pb in polyethylene
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PANalytical Solutions: Minerals
• WROXI– Wide Range Oxides
– Minerals analysis module for mining,
cement and other applications where the
analysis of oxides is important
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PANalytical Solutions: Minerals
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1. Fuse the standards
2. Setup calibrations
3. Fuse your unknown samples
4. Analyze the unknowns against calibrations
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PANalytical Solutions: Minerals
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WROXI
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PANalytical Solutions: Minerals
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• Accuracy of WROXI
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PANalytical Solutions: Minerals
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• Accuracy of WROXI continued…
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PANalytical Solutions: Minerals
• Accuracy of WROXI continued
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PANalytical Solutions: Cement
• CEMOXI– Cement Oxides
– Cement analysis module,
specifically for the cement industry
(adapted from WROXI)
– Covers the analysis of raw materials,
raw mix, clinker & cement
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PANalytical Solutions: Cement
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PANalytical Solutions: “Standardless”
• OMNIAN– Analysis of all sample types without dedicated
calibrations
– Large elemental range
– Market-leading accuracy
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PANalytical Solutions: “Standardless”
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PANalytical Solutions: “Standardless”
• 2 Steps in the “Standardless” Approach1. Identify the elements (not required for
conventional approach)
• Advanced algorithms for the determination of background, peak search & match and line overlaps
2. Quantify the elements
• Scan-based measurement for the full elemental composition (default / fast scan)
• Combined with peak measurements for higher precision and lower detection limits
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PANalytical Solutions: “Standardless”
• Elemental ID & quantification for all sample types– Calibrations set up with a selected range of reference
materials to calibrate instrument response
– Elemental range: O to U
– Adaptive Sample Characterization (ASC) corrects for sample matrix variations and automatically selects the correct calibration for the sample
– Finite Thickness (FT) correction for thin/low density samples
– Fluorescence Volume Geometry (FVG) corrections for liquids and low density samples
– Dark Matrix corrections
– Most sample types, including solids, pressed powders, fused beads, loose powders & liquids
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“Standardless” Examples
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NIST 1831 Glass Standard
Low alloy steel standard (BAS SS 405)
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“Standardless” Examples
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Poplar leaf standard GSV3
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“Standardless” Examples
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etc…….
OMNIAN Video
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Customized Solutions
• We also offer expertise in the form of application setup and assistance
– We can certify customer reference materials for unique calibration setups
– We can prepare fuse beads (PANalytical & non-PANalytical reference materials) for customers without access to fusion equipment
– We offer expertise for customers who require help with application setup
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Thank You
• Thank you for your kind attention
• Questions
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