Skip to Main Content

Select country

Select your country

Proficiency Testing

We offer Proficiency Testing products for a variety of testing schemes for both quantitative and qualitative test performance.
Grid List

Categories and filters

Filter / Sorting

Categories

Brand

Accreditations

Product Type

Regulatory Method

Instrument / Test

Analyte - Single / Multi

CAS #

Analyte / Component

Microorganism

445 Items found

Per Page:
Sort by:
Grid List
SKU: PEO-094

Herbicides Wastewater PT Standard (2 pack)

Login to view pricing
  • Brand NSI
  • Matrix Methyl tert-butyl ether
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
SKU: PEO-093

Toxaphene Wastewater PT Standard (2 pack)

Login to view pricing
  • Brand NSI
  • Matrix Acetone
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
SKU: PEO-077

Chloral Hydrate Drinking Water Organic Standard (2 pack)

Login to view pricing
  • Brand NSI
  • Matrix Acetonitrile
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
SKU: PEO-075

Oxygenates Drinking Water Organic Standard (2 pack)

Login to view pricing
  • Brand NSI
  • Matrix PT Methano
  • Certification Single: Grav. w/Analytical Confirmation
Quick View
SKU: FMPT-027

Qualitative Clostridium PT, Set of 3 Samples, supplied with DI Water hydration fluid

Login to view pricing
  • Brand NSI
Quick View
SKU: FMPT-004B

Quantitative Lactic Acid Bacteria Set Matrix PT Express

Login to view pricing
  • Brand NSI
Quick View
SKU: FMPT-004

Quantitative Lactic Acid Bacteria Set Matrix

Login to view pricing
  • Brand NSI
Quick View
SKU: FMPT-003B

Quantitative B.cereus in Set Matrix PT Express

Login to view pricing
  • Brand NSI
Quick View
SKU: FMPT-003

Quantitative B.cereus in Set Matrix

Login to view pricing
  • Brand NSI
Quick View
SKU: FMPT-001MB

Quantitative Indicators in Meat Matrix PT Express

Login to view pricing
  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Quick View
SKU: FMPT-001M

Quantitative Indicators in Meat Matrix

Login to view pricing
  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Quick View
SKU: FMPT-001DB

Quantitative Indicators in Dairy Matrix PT Express

Login to view pricing
  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
Quick View
AlertAlertBrowse fileDownload fileFileImagePdfWordTextExcelPowerpointArchiveCsvAudioVideoSpinnerCalendarReturn arrowMinusVisibleInvisibleVisibleInvisibleConfigure