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We offer ISO-accredited microbiological certified reference materials. Validated and traceable cultures are no more than two passages from the primary reference culture, ensuring genetic traceability to the primary cell line. Each lyophilized culture is preserved in our proprietary Microgel-Flash™ quick dissolve matrix. Pellets dissolve instantly once hydrated. Manufactured and tested under ISO 17034 and 17025 accreditations.

Downloadable Certificates of Analysis are available from our website. Sold in packs of 10 individually vacuum-sealed microorganism pellets. Stores in the freezer at -20°C to -10°C, with a product shelf life of 18 months from the manufacture date.

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Environmental

Robust — lyophilized technique ensures strong recovery even for 44.5 ºC coliform methods.

Pharmaceutical

Stable — hydrated samples can be used for up to 8 hours.

Food & Agriculture

Our organic standards, designed around analytical needs and international methodologies, range from pesticide testing to target fragrance and flavor compounds.

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VOCs in Soil - Mid Level VOCs in Soil - Mid Level
SKU: SQCO-008H

VOCs in Soil - Mid Level

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  • Brand NSI
  • Matrix Methanol
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
Semivolatiles in Soil - Blind Semivolatiles in Soil - Blind
SKU: SQCO-007B

Semivolatiles in Soil - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
Semivolatiles in Soil Semivolatiles in Soil
SKU: SQCO-007

Semivolatiles in Soil

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
Acid Herbicides in Soil - Blind Acid Herbicides in Soil - Blind
SKU: SQCO-006B

Acid Herbicides in Soil - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
Acid Herbicides in Soil Acid Herbicides in Soil
SKU: SQCO-006

Acid Herbicides in Soil

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
PCB in Soil - Blind PCB in Soil - Blind
SKU: SQCO-005B

PCB in Soil - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
PCB in Soil PCB in Soil
SKU: SQCO-005

PCB in Soil

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
Toxaphene in Soil - Blind Toxaphene in Soil - Blind
SKU: SQCO-004B

Toxaphene in Soil - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
Toxaphene in Soil Toxaphene in Soil
SKU: SQCO-004

Toxaphene in Soil

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
Organochlorine Pesticides - Blind Organochlorine Pesticides - Blind
SKU: SQCO-003B

Organochlorine Pesticides - Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
Organochlorine Pesticides Organochlorine Pesticides
SKU: SQCO-003

Organochlorine Pesticides

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Grav &/ Volumetric w/analytical confirmation
Perchlorate in Soil – Blind Perchlorate in Soil – Blind
SKU: SQCI-141B

Perchlorate in Soil – Blind

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/IC Confirmation
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