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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: 13618.24-K-5ME

Tri-n-octyltin chloride, Purified (≥98%); 1000 µg/mL in methanol; 5 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
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SKU: 13618.24-100MG

Tri-n-octyltin chloride, Purified (≥98%); neat; 100 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 2695.24-K-5ME

Tri-n-octyltin chloride; 1000 µg/mL in methanol; 5 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
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SKU: 2695.24-100MG

Tri-n-octyltin chloride; neat; 100 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: QCO-104B

Alcohols in Drinking Water PT Express

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  • Brand NSI
  • Matrix Water
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SKU: QCI-197B

Low Level Fluoride in Drinking Water PT Express *ECCN* 2 x 250mL

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  • Brand NSI
  • Matrix Water
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SKU: QCI-079B

Residue in Wastewater PT Express, 2 x 500mL

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  • Brand NSI
  • Matrix Water
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SKU: QCI-083B

Drinking Water pH PT Express, 1 x 250 mL

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  • Brand NSI
  • Matrix Water
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SKU: CMQC-085

Total Yeast and Mold in Hemp QC CRM, 2 bacteria vials supplied with 2 DI water hydration fluid bottles

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  • Brand NSI
  • Matrix Hemp
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SKU: FMPT-030

Qualitative Staphylococcus aureus Enerotoxin PT, supplied with hydration fluid

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  • Brand NSI
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SKU: FM-MEAT

Sterile Meat Matrix Supplement for Food Science Microbiological CRMs

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  • Brand NSI
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SKU: FM-MILK

Sterile Milk Matrix Supplement for Food Science Microbiological CRMs

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  • Brand NSI
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