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QC Check Standards QC Check Standards

ISO 17034 accredited certified reference materials to check the validity and accuracy of a calibration. For use in ED-XRF, WD-XRF, and UVF. Available in a variety of matrices such as mineral oil, gasoline, isooctane, toluene, crude oil, diesel fuel, residual oil, lubricating oil, plus more. Concentrations customizable upon request. 

ISO 17034 accredited certified reference materials to check the validity and accuracy of a calibration. For use in ED-XRF, WD-XRF, and UVF. Available in a variety of matrices such as mineral oil, gasoline, isooctane, toluene, crude oil, diesel fuel, residual oil, lubricating oil, plus more. Concentrations customizable upon request. 

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Sulfur in Diesel Fuel Check Standard - Low Concentration
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Sulfur in Diesel Fuel Check Standard - Low Concentration Sulfur in Diesel Fuel Check Standard - Low Concentration

from $69.00

Sulfur in Mineral Oil Check Standard - Low Concentration
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Sulfur in Mineral Oil Check Standard - Low Concentration Sulfur in Mineral Oil Check Standard - Low Concentration

from $69.00

Chlorine in Mineral Oil Check Standard - Ultra Low Concentration
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Chlorine in Mineral Oil Check Standard - Ultra Low Concentration Chlorine in Mineral Oil Check Standard - Ultra Low Concentration

from $69.00

Sulfur in Diesel Fuel Check Standard - Ultra Low Concentration
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Sulfur in Diesel Fuel Check Standard - Ultra Low Concentration Sulfur in Diesel Fuel Check Standard - Ultra Low Concentration

from $69.00

Sulfur in Mineral Oil Check Standard - Ultra Low Concentration
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Sulfur in Mineral Oil Check Standard - Ultra Low Concentration Sulfur in Mineral Oil Check Standard - Ultra Low Concentration

from $69.00

Nitrogen in Xylenes Check Standard - Low Concentration
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Nitrogen in Xylenes Check Standard - Low Concentration Nitrogen in Xylenes Check Standard - Low Concentration

from $74.00

Sulfur in Isooctane Check Standard - Ultra Low Concentration
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Sulfur in Isooctane Check Standard - Ultra Low Concentration Sulfur in Isooctane Check Standard - Ultra Low Concentration

from $74.00

Chlorine in Mineral Oil Check Standard - Low Concentration
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Chlorine in Mineral Oil Check Standard - Low Concentration Chlorine in Mineral Oil Check Standard - Low Concentration

from $69.00

Sulfur in Isooctane Check Standard - Low Concentration
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Sulfur in Isooctane Check Standard - Low Concentration Sulfur in Isooctane Check Standard - Low Concentration

from $74.00

Sulfur in Mineral Oil Check Standard - High Concentration
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Sulfur in Mineral Oil Check Standard - High Concentration Sulfur in Mineral Oil Check Standard - High Concentration

from $79.00

Sulfur Standards in Diesel Fuel for EPA Tier 3 and MARPOL Testing
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Sulfur Standards in Diesel Fuel for EPA Tier 3 and MARPOL Testing Sulfur Standards in Diesel Fuel for EPA Tier 3 and MARPOL Testing

from $129.00

Sulfur-Free Organometallic Oil Check Standards 0.1000 Wt%
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Sulfur-Free Organometallic Oil Check Standards 0.1000 Wt% Sulfur-Free Organometallic Oil Check Standards 0.1000 Wt%

from $112.00

Sulfur in Isooctane-Toluene Check Standard - Low Concentration
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Sulfur in Isooctane-Toluene Check Standard - Low Concentration Sulfur in Isooctane-Toluene Check Standard - Low Concentration

from $74.00

Sulfur in Gasoline Check Standard - Low Concentration
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Sulfur in Gasoline Check Standard - Low Concentration Sulfur in Gasoline Check Standard - Low Concentration

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Nitrogen in Xylenes Check Standard - Ultra Low Concentration
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Nitrogen in Xylenes Check Standard - Ultra Low Concentration Nitrogen in Xylenes Check Standard - Ultra Low Concentration

from $74.00

Sulfur in Crude Oil Check Standard - Low Concentration
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Sulfur in Crude Oil Check Standard - Low Concentration Sulfur in Crude Oil Check Standard - Low Concentration

from $74.00

Nitrogen and Sulfur in Xylenes Check Standard - Ultra Low Concentration
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Nitrogen and Sulfur in Xylenes Check Standard - Ultra Low Concentration Nitrogen and Sulfur in Xylenes Check Standard - Ultra Low Concentration

from $99.00

Sulfur in Mineral Oil Standards - Pipeline
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Sulfur in Mineral Oil Standards - Pipeline Sulfur in Mineral Oil Standards - Pipeline

from $129.00

Nitrogen and Sulfur in Xylenes Check Standard - Low Concentration
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Nitrogen and Sulfur in Xylenes Check Standard - Low Concentration Nitrogen and Sulfur in Xylenes Check Standard - Low Concentration

from $99.00

Nitrogen in Mineral Oil Check Standard - Low Concentration
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Nitrogen in Mineral Oil Check Standard - Low Concentration Nitrogen in Mineral Oil Check Standard - Low Concentration

from $69.00

Sulfur in Kerosene Check Standard - Low Concentration
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Sulfur in Kerosene Check Standard - Low Concentration Sulfur in Kerosene Check Standard - Low Concentration

from $74.00

Chlorine and Sulfur in Mineral Oil Check Standard - Low Concentration
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Chlorine and Sulfur in Mineral Oil Check Standard - Low Concentration Chlorine and Sulfur in Mineral Oil Check Standard - Low Concentration

from $91.00

Nitrogen and Sulfur in Isooctane-Toluene Check Standard - Low Concentration
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Nitrogen and Sulfur in Isooctane-Toluene Check Standard - Low Concentration Nitrogen and Sulfur in Isooctane-Toluene Check Standard - Low Concentration

from $99.00

Sulfur-Free Organometallic Oil Check Standards 0.5000 Wt%
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Sulfur-Free Organometallic Oil Check Standards 0.5000 Wt% Sulfur-Free Organometallic Oil Check Standards 0.5000 Wt%

from $138.00

Chlorine in Xylenes Check Standard - Ultra Low Concentration
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Chlorine in Xylenes Check Standard - Ultra Low Concentration Chlorine in Xylenes Check Standard - Ultra Low Concentration

from $74.00

Lead in Paint on Film Block Reference Material. 1.0 mg/cm2 Lead in Paint on Film Block Reference Material. 1.0 mg/cm2
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Lead in Paint on Film Block Reference Material. 1.0 mg/cm2 Lead in Paint on Film Block Reference Material. 1.0 mg/cm2

$185.00

Chlorine in Isooctane-Toluene Check Standard - Ultra Low Concentration
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Chlorine in Isooctane-Toluene Check Standard - Ultra Low Concentration Chlorine in Isooctane-Toluene Check Standard - Ultra Low Concentration

from $74.00

Sulfur in Residual Oil Check Standard - High Concentration
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Sulfur in Residual Oil Check Standard - High Concentration Sulfur in Residual Oil Check Standard - High Concentration

from $84.00

Sulfur in Residual Oil Check Standard - Low Concentration
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Sulfur in Residual Oil Check Standard - Low Concentration Sulfur in Residual Oil Check Standard - Low Concentration

from $74.00

Chlorine and Sulfur in Mineral Oil Check Standard - High Concentration
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Chlorine and Sulfur in Mineral Oil Check Standard - High Concentration Chlorine and Sulfur in Mineral Oil Check Standard - High Concentration

from $106.00

Sulfur in Crude Oil Check Standard - High Concentration
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Sulfur in Crude Oil Check Standard - High Concentration Sulfur in Crude Oil Check Standard - High Concentration

from $84.00

Nitrogen and Sulfur in Gasoline Check Standard - Low Concentration
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Nitrogen and Sulfur in Gasoline Check Standard - Low Concentration Nitrogen and Sulfur in Gasoline Check Standard - Low Concentration

from $99.00

Sulfur in Ethanol Check Standard - Ultra Low Concentration
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Sulfur in Ethanol Check Standard - Ultra Low Concentration Sulfur in Ethanol Check Standard - Ultra Low Concentration

from $74.00

Nitrogen in Isooctane Check Standard - Ultra Low Concentration
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Nitrogen in Isooctane Check Standard - Ultra Low Concentration Nitrogen in Isooctane Check Standard - Ultra Low Concentration

from $74.00

Nitrogen and Sulfur in Toluene Check Standard - Ultra Low Concentration
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Nitrogen and Sulfur in Toluene Check Standard - Ultra Low Concentration Nitrogen and Sulfur in Toluene Check Standard - Ultra Low Concentration

from $99.00

Chlorine in Water Check Standard - Low Concentration
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Chlorine in Water Check Standard - Low Concentration Chlorine in Water Check Standard - Low Concentration

from $69.00

Nitrogen and Sulfur in Isooctane Check Standard - Low Concentration
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Nitrogen and Sulfur in Isooctane Check Standard - Low Concentration Nitrogen and Sulfur in Isooctane Check Standard - Low Concentration

from $99.00

Nitrogen in Isooctane Check Standard - Low Concentration
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Nitrogen in Isooctane Check Standard - Low Concentration Nitrogen in Isooctane Check Standard - Low Concentration

from $69.00

Sulfur in Gasoline with Ethanol Check Standard - Low Concentration
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Sulfur in Gasoline with Ethanol Check Standard - Low Concentration Sulfur in Gasoline with Ethanol Check Standard - Low Concentration

from $74.00

Sulfur in Xylenes Check Standard - Ultra Low Concentration
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Sulfur in Xylenes Check Standard - Ultra Low Concentration Sulfur in Xylenes Check Standard - Ultra Low Concentration

from $74.00

Nitrogen in Water Check Standard - Low
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Nitrogen in Water Check Standard - Low Concentration Nitrogen in Water Check Standard - Low Concentration

from $69.00

Chlorine in Biodiesel Check Standard - Low Concentration
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Chlorine in Biodiesel Check Standard - Low Concentration Chlorine in Biodiesel Check Standard - Low Concentration

from $74.00

Chlorine in Xylenes Check Standard - Low Concentration
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Chlorine in Xylenes Check Standard - Low Concentration Chlorine in Xylenes Check Standard - Low Concentration

from $74.00

Chlorine in Isooctane Check Standard - Low Concentration
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Chlorine in Isooctane Check Standard - Low Concentration Chlorine in Isooctane Check Standard - Low Concentration

from $74.00

Sulfur in Biodiesel Check Standard - Low Concentration
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Sulfur in Biodiesel Check Standard - Low Concentration Sulfur in Biodiesel Check Standard - Low Concentration

from $74.00

Sulfur in Water Check Standard - High Concentration
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Sulfur in Water Check Standard - High Concentration Sulfur in Water Check Standard - High Concentration

from $79.00

Sulfur in Heavy Mineral Oil - High Concentration
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Sulfur in Heavy Mineral Oil - High Concentration Sulfur in Heavy Mineral Oil - High Concentration

from $79.00

Sulfur-Free Liquid Organometallic Solutions
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Sulfur-Free Liquid Organometallic Solutions Sulfur-Free Liquid Organometallic Solutions

from $148.00

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