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ZeptoMetrix offers premium gas chromatography (GC) standards to enhance the precision and reliability of your analytical procedures. Our comprehensive products include high-quality standards that meet diverse laboratory needs. We design each item to support routine and complex analyses to ensure consistent and reproducible results across various applications. From environmental testing to food safety, our solutions provide the necessary accuracy and dependability for your GC lab test. 

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SW 846 ReadyCurve w/o Internal Standards SW 846 ReadyCurve w/o Internal Standards
SKU: WL-729B

SW 846 ReadyCurve w/o Internal Standards

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
Appendix IX LCS Spike Mix Appendix IX LCS Spike Mix
SKU: WL-600

Appendix IX LCS Spike Mix

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
Midpoint Check w/CLP Surrogates (5X1.5mL) Midpoint Check w/CLP Surrogates (5X1.5mL)
SKU: WL-514FP

Midpoint Check w/CLP Surrogates (5X1.5mL)

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  • Brand NSI
  • Concentration 50 ug/mL
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
Midpoint Check w/Surrogates - SW-846  (5X1.5mL) Midpoint Check w/Surrogates - SW-846  (5X1.5mL)
SKU: WL-513FP

Midpoint Check w/Surrogates - SW-846 (5X1.5mL)

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  • Brand NSI
  • Concentration 50 ug/mL
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
Ready Stock 200 - SW-846 Surr (5mL) Ready Stock 200 - SW-846 Surr (5mL)
SKU: WL-507

Ready Stock 200 - SW-846 Surr (5mL)

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  • Brand NSI
  • Matrix Methylene chloride
  • Concentration 200 ug/mL
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
Pesticide Spike II Pesticide Spike II
SKU: WL-445

Pesticide Spike II

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
TCL BNA LCS Spike w/o Benzidines (50mL) TCL BNA LCS Spike w/o Benzidines (50mL)
SKU: WL-408-50X

TCL BNA LCS Spike w/o Benzidines (50mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
TCL BNA LCS Spike (50mL) TCL BNA LCS Spike (50mL)
SKU: WL-408-50

TCL BNA LCS Spike (50mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
TCL BNA LCS Spike w/o Benzidines (25mL) TCL BNA LCS Spike w/o Benzidines (25mL)
SKU: WL-408-25X

TCL BNA LCS Spike w/o Benzidines (25mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
TCL BNA LCS Spike (25mL) TCL BNA LCS Spike (25mL)
SKU: WL-408-25

TCL BNA LCS Spike (25mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
TCL BNA LCS Spike w/o Benzidines (10mL) TCL BNA LCS Spike w/o Benzidines (10mL)
SKU: WL-408-10X

TCL BNA LCS Spike w/o Benzidines (10mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
TCL BNA LCS Spike (10mL) TCL BNA LCS Spike (10mL)
SKU: WL-408-10

TCL BNA LCS Spike (10mL)

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
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