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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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Salmonella in Oil/Derivative Positive Control Salmonella in Oil/Derivative Positive Control
SKU: FM-611

Salmonella in Oil/Derivative Positive Control

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  • Brand NSI
  • Matrix Hemp Oil
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Aspergillus fumigatis in Chocolate Positive Control Aspergillus fumigatis in Chocolate Positive Control
SKU: FM-610

Aspergillus fumigatis in Chocolate Positive Control

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Aspergillus Terreus in Chocolate Aspergillus Terreus in Chocolate
SKU: FM-609

Aspergillus Terreus in Chocolate

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Aspergillus Flavus in Chocolate Positive Control Aspergillus Flavus in Chocolate Positive Control
SKU: FM-608

Aspergillus Flavus in Chocolate Positive Control

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Aspergillus niger in Chocolate Positive Control Aspergillus niger in Chocolate Positive Control
SKU: FM-607

Aspergillus niger in Chocolate Positive Control

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Salmonella in Chocolate Positive Control Salmonella in Chocolate Positive Control
SKU: FM-605

Salmonella in Chocolate Positive Control

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Aspergillus fumigatis in Hemp Positive Control Aspergillus fumigatis in Hemp Positive Control
SKU: FM-604

Aspergillus fumigatis in Hemp Positive Control

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  • Brand NSI
  • Matrix Hemp
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Aspergillus terreus in Hemp Positive Control Aspergillus terreus in Hemp Positive Control
SKU: FM-603

Aspergillus terreus in Hemp Positive Control

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  • Brand NSI
  • Matrix Hemp
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Aspergillus Flavus in Hemp Positive Control Aspergillus Flavus in Hemp Positive Control
SKU: FM-602

Aspergillus Flavus in Hemp Positive Control

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  • Brand NSI
  • Matrix Hemp
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Aspergillus niger in Hemp Positive Control (10 x 1g pack) Aspergillus niger in Hemp Positive Control (10 x 1g pack)
SKU: FM-601

Aspergillus niger in Hemp Positive Control (10 x 1g pack)

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  • Brand NSI
  • Certification Cultural based enumeration
  • Matrix Hemp
  • Raw Material <2 passages from primary culture
  • Top rated
FLAVIN-1 FLAVIN-1
SKU: FLAVIN-1

FLAVIN-1

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  • Brand Spex
  • Matrix Dimethyl Sulfoxide
  • Concentration 1,000 µg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Top rated
EU 20813 Mix G, 100 µg/mL in Toluene (1 mL) EU 20813 Mix G, 100 µg/mL in Toluene (1 mL)
SKU: EU-20813-G

EU 20813 Mix G, 100 µg/mL in Toluene (1 mL)

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  • Brand Spex
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
  • Concentration 100 µg/mL
  • Matrix Toluene
  • Raw Material >95% min; as available
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