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QC Knowns

NSI Offers the Broadest Range of Microbiological & Chemical QC Standards and CRMs

Our quality control samples are designed to support a diverse range of analytical techniques. The ZeptoMetrix portfolio enables analysts to prepare, calibrate, and demonstrate competence in analyzing samples with confidence and reliability.

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Microorganism

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Sterile Milk Matrix Supplement for Food Science Microbiological CRMs Sterile Milk Matrix Supplement for Food Science Microbiological CRMs
SKU: FM-MILK

Sterile Milk Matrix Supplement for Food Science Microbiological CRMs

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  • Brand NSI
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Sterile Meat Matrix Supplement for Food Science Microbiological CRMs Sterile Meat Matrix Supplement for Food Science Microbiological CRMs
SKU: FM-MEAT

Sterile Meat Matrix Supplement for Food Science Microbiological CRMs

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  • Brand NSI
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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
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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
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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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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
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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
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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
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Bacillus cereus Bacillus cereus
SKU: 2599

Bacillus cereus

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  • Brand NSI
  • Certification Gravimetric and/or Volumetric
  • Raw Material >95% min; as available
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Aspergillus niger Aspergillus niger
SKU: 16888

Aspergillus niger

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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Aspergillus flavus Aspergillus flavus
SKU: 16883

Aspergillus flavus

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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Escherichia coli 0157:H7 Escherichia coli 0157:H7
SKU: 12900

Escherichia coli 0157:H7

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