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Analytical Reference Material

Organic, Inorganic, Microbiology & PT Reference Materials

Explore the broadest selection of analytical reference materials and proficiency testing (PT) from the leading brands in certified and analytical reference materials: Spex, NSI, HPS, and Chiron. Our harmonized product development and custom capabilities are tailored to bring you innovative products to help meet your unique application needs.

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9,385 Items found

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SKU: MIXSTD1A-100

Assurance® Mixed Calibration Standard 1A for AA & ICP (125 mL)

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. Tartaric Acid/tr. HF
  • Concentration 5 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
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SKU: MIXSTD1-500

Assurance® Mixed Calibration Standard 1 for AA & ICP (500 mL)

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 500 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
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SKU: MIXSTD1-100

Assurance® Mixed Calibration Standard 1 for AA & ICP (125 mL)

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 500 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
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SKU: MIC-UNV-20

Universal Water Microbe Cocktail (20 pack)

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  • Brand NSI
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SKU: MIC-UNV-10

Universal Water Microbe Cocktail (10 pack)

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  • Brand NSI
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SKU: MIC-QC6B

MIC-QC6B - Drinking Water Quantitative Coliforms - Blind

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
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SKU: MIC-QC6

Drinking Water Quantitative Coliforms

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: MIC-QC5B

MIC-QC5B - Quantitative Enterococcus/Fecal Strep - Blind

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
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SKU: MIC-QC5

Quantitative Enterococcus/Fecal Strep

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
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SKU: MIC-QC4B

MIC-QC4B - Drinking Water Coliforms 10 Sample Set - Blind

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  • Brand NSI
  • Certification Cultural based enumeration
  • Raw Material <2 passages from primary culture
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SKU: MIC-QC4

Drinking Water Coliforms 10 Sample Set

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  • Brand NSI
  • Raw Material <2 passages from primary culture
  • Certification Cultural based enumeration
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SKU: MIC-QC3B

MIC-QC3B - Drinking Water Standard Plate Count - Blind

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