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

from $67.00

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 $82.00

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

from $72.00

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

from $96.00

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 $96.00

Chlorine in Water Check Standard - High Concentration
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Chlorine in Water Check Standard - High Concentration Chlorine in Water Check Standard - High Concentration

from $77.00

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

from $72.00

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

from $88.00

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

from $96.00

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

from $96.00

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

from $88.00

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

from $67.00

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

from $67.00

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

from $67.00

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

from $72.00

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 $72.00

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

from $72.00

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

from $72.00

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

from $67.00

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

from $72.00

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

from $72.00

Plastic Polyethylene Check Standards for WEEE RoHS Requirements, Disc Concentration table for ROHS standards
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Plastic Polyethylene Check Standards for WEEE RoHS Requirements, Disc Plastic Polyethylene Check Standards for WEEE RoHS Requirements, Disc

$860.00

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

from $72.00

Sulfur Standards for EPA Tier 3 Accuracy (Low)
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Sulfur Standards for EPA Tier 3 Accuracy (Low) Sulfur Standards for EPA Tier 3 Accuracy (Low)

$125.00

Sulfur Standards for EPA Tier 3 Accuracy (High)
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Sulfur Standards for EPA Tier 3 Accuracy (High) Sulfur Standards for EPA Tier 3 Accuracy (High)

$125.00

Bismuth Internal Standard for ASTM D5059. 1 Liter.
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Bismuth Internal Standard for ASTM D5059. 1 Liter. Bismuth Internal Standard for ASTM D5059. 1 Liter.

$501.00

Plastic Polyethylene Quality Control Standard for WEEE RoHS Requirements, Powder Concentration table for ROHS check standard
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Plastic Polyethylene Quality Control Standard for WEEE RoHS Requirements, Powder Plastic Polyethylene Quality Control Standard for WEEE RoHS Requirements, Powder

$538.00

Sulfur in Mineral Oil Check Standard Blank
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Sulfur in Mineral Oil Check Standard Blank Sulfur in Mineral Oil Check Standard Blank

$77.00

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

from $96.00

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

from $88.00

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

from $72.00

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

from $67.00

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

from $77.00

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

from $72.00

Elements in Lubricating Oil Calibration Standards, Check Standard Elements in Lubricating Oil Calibration Standards, Check Standard
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Elements in Lubricating Oil Calibration Standards, Check Standard Elements in Lubricating Oil Calibration Standards, Check Standard

$842.00

Plastic Polyethylene Quality Control Standard for WEEE RoHS Requirements, Disc Concentration table for ROHS check standard
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Plastic Polyethylene Quality Control Standard for WEEE RoHS Requirements, Disc Plastic Polyethylene Quality Control Standard for WEEE RoHS Requirements, Disc

$538.00

Lead in Paint on Polyester Film Calibration Standards. Check Standard.
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Lead in Paint on Polyester Film Calibration Standards. Check Standard. Lead in Paint on Polyester Film Calibration Standards. Check Standard.

$274.00

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

from $88.00

Nitrogen in Ethanol Check Standard - Low
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Nitrogen in Ethanol Check Standard - Low Concentration Nitrogen in Ethanol Check Standard - Low Concentration

from $67.00

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

from $67.00

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

from $77.00

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

from $77.00

Elements in Lubricating Oil Calibration Standards for Residual Oil Analysis, Concentrations randomized for Al, Ca, Fe, Na, Ni, P, S, Si, V, Zn Elements in Lubricating Oil Calibration Standards for Residual Oil Analysis, Concentrations randomized for Al, Ca, Fe, Na, Ni, P, S, Si, V, Zn
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Elements in Lubricating Oil Calibration Standards for Residual Oil Analysis, Concentrations randomized for Al, Ca, Fe, Na, Ni, P, S, Si, V, Zn Elements in Lubricating Oil Calibration Standards for Residual Oil Analysis, Concentrations randomized for Al, Ca, Fe, Na, Ni, P, S, Si, V, Zn

$3,768.00

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

from $72.00

Nitrogen as Acridine in Xylenes Check Standard - High Concentration
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Nitrogen as Acridine in Xylenes Check Standard - High Concentration Nitrogen as Acridine in Xylenes Check Standard - High Concentration

from $77.00

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

from $82.00

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

from $67.00

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

from $67.00

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