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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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Cyclohexane Cyclohexane
SKU: 901

Cyclohexane

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  • Brand NSI
  • Matrix Methanol
  • Concentration 2,000 μg/mL
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
E. coli E. coli
SKU: 9001L

E. coli

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
E. coli (NCTC 9001) E. coli (NCTC 9001)
SKU: 9001

E. coli (NCTC 9001)

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Clostridium perfringens Clostridium perfringens
SKU: 8678

Clostridium perfringens

  • CCL
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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Trichloroethylene Trichloroethylene
SKU: 85

Trichloroethylene

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  • Brand NSI
  • Matrix Methanol-P&T
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Toluene Toluene
SKU: 84

Toluene

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  • Brand NSI
  • Matrix Methanol-P&T
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Myclobutanil in Acetone Myclobutanil in Acetone
SKU: 843

Myclobutanil in Acetone

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  • Brand NSI
  • Matrix Acetone
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Myclobutanil Myclobutanil
SKU: 843A

Myclobutanil

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  • Brand NSI
  • Matrix Acetonitrile
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Salmonella abaetetuba Salmonella abaetetuba
SKU: 8244

Salmonella abaetetuba

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Clostridium perfringens Clostridium perfringens
SKU: 8237

Clostridium perfringens

  • CCL
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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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