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Organic, Inorganic, Microbiology, & PT for Cannabis & Hemp Testing

We offer the broadest selection of cannabis analytical reference materials and proficiency testing for cannabis and hemp to ensure accuracy in your analyses. ZeptoMetrix—together with Spex®, NSI, and Chiron—provides ISO 17034–certified reference materials (CRMs) for common contaminants (residual solvents, pesticide residues, heavy metals) and qualitative analyses. As the industry evolves, we continuously update our offerings to match its pace.

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Listeria monocytogenes Listeria monocytogenes
SKU: 7973

Listeria monocytogenes

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Methomyl in Acetonitrile Methomyl in Acetonitrile
SKU: 784

Methomyl in Acetonitrile

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric and/or Volumetric
Salmonella salford Salmonella salford
SKU: 7833

Salmonella salford

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Ethofenprox Ethofenprox
SKU: 782

Ethofenprox

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Enterococcus faecalis CRM Enterococcus faecalis CRM
SKU: 775L

Enterococcus faecalis CRM

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
E. faecalis High CFU (1000-1500 CFU) E. faecalis High CFU (1000-1500 CFU)
SKU: 775H

E. faecalis High CFU (1000-1500 CFU)

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  • Brand NSI
  • Matrix E. faecalis
  • Concentration 1000 - 2000cfu
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Phosmet in Methanol Phosmet in Methanol
SKU: 757-1

Phosmet in Methanol

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Phosmet Phosmet
SKU: 757-HA

Phosmet

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
Phosmet in Acetonitrile Phosmet in Acetonitrile
SKU: 757

Phosmet in Acetonitrile

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Tilt™ (Mixed Isomers) in Acetone Tilt™ (Mixed Isomers) in Acetone
SKU: 751

Tilt™ (Mixed Isomers) in Acetone

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  • Brand NSI
  • Matrix Acetone
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Tilt™ (Mixed Isomers) Tilt™ (Mixed Isomers)
SKU: 751-A

Tilt™ (Mixed Isomers)

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Ethyl acetate Ethyl acetate
SKU: 681

Ethyl acetate

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  • Brand NSI
  • Matrix Methanol:Water (9:1)
  • Concentration 10,000 μg/mL
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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