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

from $91.00

Nitrogen and Sulfur in Hexane Check Standard - High Concentration
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Nitrogen and Sulfur in Hexane Check Standard - High Concentration Nitrogen and Sulfur in Hexane Check Standard - High Concentration

from $106.00

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

from $91.00

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

from $91.00

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

from $106.00

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

from $91.00

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

from $91.00

Nitrogen and Sulfur in Heavy Mineral Oil Check Standard - High Concentration
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Nitrogen and Sulfur in Heavy Mineral Oil Check Standard - High Concentration Nitrogen and Sulfur in Heavy Mineral Oil Check Standard - High Concentration

from $106.00

Nitrogen and Sulfur in Heavy Mineral Oil Check Standard - Ultra Low Concentration
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Nitrogen and Sulfur in Heavy Mineral Oil Check Standard - Ultra Low Concentration Nitrogen and Sulfur in Heavy Mineral Oil Check Standard - Ultra Low Concentration

from $91.00

Nitrogen and Sulfur in Gasoline with Ethanol Check Standard - High Concentration
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Nitrogen and Sulfur in Gasoline with Ethanol Check Standard - High Concentration Nitrogen and Sulfur in Gasoline with Ethanol Check Standard - High Concentration

from $106.00

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

from $91.00

Nitrogen and Sulfur in Gasoline with Ethanol Check Standard - Ultra Low Concentration
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Nitrogen and Sulfur in Gasoline with Ethanol Check Standard - Ultra Low Concentration Nitrogen and Sulfur in Gasoline with Ethanol Check Standard - Ultra Low Concentration

from $99.00

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

from $111.00

Nitrogen and Sulfur in Kerosene Check Standard - High Concentration
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Nitrogen and Sulfur in Kerosene Check Standard - High Concentration Nitrogen and Sulfur in Kerosene Check Standard - High Concentration

from $106.00

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

from $99.00

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

from $111.00

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

from $106.00

Nitrogen and Sulfur in Toluene Check Standard - High Concentration
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Nitrogen and Sulfur in Toluene Check Standard - High Concentration Nitrogen and Sulfur in Toluene Check Standard - High Concentration

from $106.00

Nitrogen and Sulfur in Isooctane Check Standard - High Concentration
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ASI Standards
Nitrogen and Sulfur in Isooctane Check Standard - High Concentration Nitrogen and Sulfur in Isooctane Check Standard - High Concentration

from $111.00

Nitrogen and Sulfur in Diesel Fuel Check Standard - High Concentration
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Nitrogen and Sulfur in Diesel Fuel Check Standard - High Concentration Nitrogen and Sulfur in Diesel Fuel Check Standard - High Concentration

from $106.00

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

from $106.00

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

from $91.00

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

from $91.00

Nitrogen in Waste Oil Check Standard - High
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Nitrogen in Waste Oil Check Standard - High Concentration Nitrogen in Waste Oil Check Standard - High Concentration

from $79.00

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

from $69.00

Nitrogen in Hexane Check Standard - High Concentration
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Nitrogen in Hexane Check Standard - High Concentration Nitrogen in Hexane Check Standard - High Concentration

from $79.00

Nitrogen in Hexane Check Standard - Low Concentration
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Nitrogen in Hexane Check Standard - Low Concentration Nitrogen in Hexane Check Standard - Low Concentration

from $74.00

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

from $74.00

Nitrogen in Water Check Standard - High
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Nitrogen in Water Check Standard - High Concentration Nitrogen in Water Check Standard - High Concentration

from $79.00

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

from $69.00

Nitrogen in Heavy Mineral Oil Check Standard - High Concentration
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Nitrogen in Heavy Mineral Oil Check Standard - High Concentration Nitrogen in Heavy Mineral Oil Check Standard - High Concentration

from $79.00

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

from $69.00

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

from $69.00

Nitrogen in Lube Oil Check Standard - High Concentration
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Nitrogen in Lube Oil Check Standard - High Concentration Nitrogen in Lube Oil Check Standard - High Concentration

from $79.00

Nitrogen in Lube Oil Check Standard - Ultra Low Concentration
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Nitrogen in Lube Oil Check Standard - Ultra Low Concentration Nitrogen in Lube Oil Check Standard - Ultra Low Concentration

from $69.00

Nitrogen in Gas Oil Check Standard - High
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Nitrogen in Gas Oil Check Standard - High Concentration Nitrogen in Gas Oil Check Standard - High Concentration

from $79.00

Nitrogen in Gas Oil Check Standard - Ultra Low
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Nitrogen in Gas Oil Check Standard - Ultra Low Concentration Nitrogen in Gas Oil Check Standard - Ultra Low Concentration

from $69.00

Nitrogen in Gasoline with Ethanol Check Standard - High
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ASI Standards
Nitrogen in Gasoline with Ethanol Check Standard - High Concentration Nitrogen in Gasoline with Ethanol Check Standard - High Concentration

from $79.00

Nitrogen in Gasoline with Ethanol Check Standard - Low
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ASI Standards
Nitrogen in Gasoline with Ethanol Check Standard - Low Concentration Nitrogen in Gasoline with Ethanol Check Standard - Low Concentration

from $69.00

Nitrogen in Gasoline with Ethanol Check Standard - Ultra Low
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ASI Standards
Nitrogen in Gasoline with Ethanol Check Standard - Ultra Low Concentration Nitrogen in Gasoline with Ethanol Check Standard - Ultra Low Concentration

from $69.00

Nitrogen in Isooctane-Toluene Check Standard - High Concentration
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ASI Standards
Nitrogen in Isooctane-Toluene Check Standard - High Concentration Nitrogen in Isooctane-Toluene Check Standard - High Concentration

from $79.00

Nitrogen in Isooctane-Toluene Check Standard - Low
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ASI Standards
Nitrogen in Isooctane-Toluene Check Standard - Low Concentration Nitrogen in Isooctane-Toluene Check Standard - Low Concentration

from $69.00

Nitrogen in Ethanol Check Standard - High Concentration
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Nitrogen in Ethanol Check Standard - High Concentration Nitrogen in Ethanol Check Standard - High Concentration

from $79.00

Nitrogen in Kerosene Check Standard - High
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Nitrogen in Kerosene Check Standard - High Concentration Nitrogen in Kerosene Check Standard - High Concentration

from $79.00

Nitrogen in Kerosene Check Standard - Low Concentration
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Nitrogen in Kerosene Check Standard - Low Concentration Nitrogen in Kerosene Check Standard - Low Concentration

from $69.00

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

from $69.00

Nitrogen in Gasoline Check Standard - High Concentration
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Nitrogen in Gasoline Check Standard - High Concentration Nitrogen in Gasoline Check Standard - High Concentration

from $79.00

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

from $69.00

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