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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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Ethyl acetate Ethyl acetate
SKU: 681-5K

Ethyl acetate

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  • Brand NSI
  • Matrix Methanol
  • Concentration 5000 ug/mL
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
Salmonella enterica Salmonella enterica
SKU: 6676

Salmonella enterica

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
  • Top rated
Organochlorine Pesticides Mix, 2,000 µg/mL Organochlorine Pesticides Mix, 2,000 µg/mL
SKU: 625-PH

Organochlorine Pesticides Mix, 2,000 µg/mL

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  • Brand Spex
  • Matrix Benzene
  • Concentration 2,000 μg/mL
  • Raw Material >95% min; as available
  • Certification Single: Grav. &/or Volume w/Analytical Confirm
S. aureus S. aureus
SKU: 61-0032

S. aureus

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
E. coli E. coli
SKU: 61-0012

E. coli

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
C. albicans C. albicans
SKU: 61-00054

C. albicans

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
A. brasiliensis A. brasiliensis
SKU: 61-00053

A. brasiliensis

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
S. enterica S. enterica
SKU: 61-00031

S. enterica

  • CCL
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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
B. subtilis B. subtilis
SKU: 61-0003

B. subtilis

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
S. enterica abony S. enterica abony
SKU: 61-00029

S. enterica abony

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Pseudomonas paraeruginosa Pseudomonas paraeruginosa
SKU: 61-00026

Pseudomonas paraeruginosa

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Chlorobenzene, 150 µg/mL N,N-Dimethylacetamide, 1.5 mL Chlorobenzene, 150 µg/mL N,N-Dimethylacetamide, 1.5 mL
SKU: 6-N

Chlorobenzene, 150 µg/mL N,N-Dimethylacetamide, 1.5 mL

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  • Brand NSI
  • Matrix N,N-Dimethylacetamide
  • Concentration 150 µg/mL
  • Raw Material min 95%
  • Certification Grav. &/or Volume w/Analytical Confirmation
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