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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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9,398 Items found

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SKU: AS-NO3N9-2X

Nitrate-Nitrogen Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm) (500 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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SKU: AS-NO39-2Y

Nitrate (NO3)- Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm) (125 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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SKU: AS-NO39-2X

Nitrate (NO3)- Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm) (500 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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SKU: AS-NO2N9-2Y

Nitrite-Nitrogen Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm) (125 mL)

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  • Brand Spex
  • Matrix Water
  • Concentration 1,000 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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SKU: AS-NO2N9-2X

Nitrite-Nitrogen Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm) (500 mL)

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  • Brand Spex
  • Matrix Water
  • Concentration 1,000 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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SKU: AS-NO29-2Y

Nitrite (NO2)- Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm) (125 mL)

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  • Brand Spex
  • Matrix Water
  • Concentration 1,000 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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SKU: AS-NO29-2X

Nitrite (NO2)- Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm) (500 mL)

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  • Brand Spex
  • Matrix Water
  • Concentration 1,000 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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SKU: AS-NH3N9-2Y

Ammonia-Nitrogen Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm) (125 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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SKU: AS-I9-2Y

Iodide (I)- Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm) (125 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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SKU: AS-I9-2X

Iodide (I)- Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm) (500 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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SKU: AS-HCO29-2Y

Formate (HCO2)- Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm) (125 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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SKU: AS-HCO29-2X

Formate (HCO2)- Single-Element Ion Anion Standard, 1,000 µg/mL (1,000 ppm) (500 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1,000 µg/mL
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
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