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  • Certified for environmental methods — plate counts, MPN
  • COA includes expected values for multiple methods
  • Robust — lyophilized technique ensures strong recovery, even for 44.5 ºC coliform methods
  • Unique — multi-organism CRM covers six methods in a single pellet (MIC-UNV-10)

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Wastewater

Manufactured from the highest purity water and analytically verified neat source materials. Our certified reference materials are ISO 17034 accredited.

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TCLP Metals in Soil TCLP Metals in Soil
SKU: SPEI-005

TCLP Metals in Soil

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  • Brand NSI
  • Matrix Soil
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
Hexavalent Chromium Hexavalent Chromium
SKU: SPEI-003

Hexavalent Chromium

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Single: Grav. w/Analytical Confirmation
Metals in Soil Metals in Soil
SKU: SPEI-001

Metals in Soil

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  • Brand NSI
  • Matrix Soil
  • Raw Material >95% min; as available
  • Certification Single: Gravimetric w/ICP Confirmation
  • Top rated
SE+6 00 UG/ML (30 mL) SE+6 00 UG/ML (30 mL)
SKU: SPEC-SE6M

SE+6 00 UG/ML (30 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1000 UG/ML
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SELENIUM 6 in H2O 1000PPM  (125 mL) SELENIUM 6 in H2O 1000PPM  (125 mL)
SKU: SPEC-SE6

SELENIUM 6 in H2O 1000PPM (125 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1000ppm
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SE+4 1000 UG/ML (30 mL) SE+4 1000 UG/ML (30 mL)
SKU: SPEC-SE4M

SE+4 1000 UG/ML (30 mL)

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 1000 UG/ML
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SELENIUM 4 in 2-5% HNO3 1000PPM (125 mL) SELENIUM 4 in 2-5% HNO3 1000PPM (125 mL)
SKU: SPEC-SE4

SELENIUM 4 in 2-5% HNO3 1000PPM (125 mL)

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  • Brand Spex
  • Matrix 2-5% HNO3
  • Concentration 1000ppm
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
CR+6 1000 UG/ML (30 mL) CR+6 1000 UG/ML (30 mL)
SKU: SPEC-CR6M

CR+6 1000 UG/ML (30 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1000 UG/ML
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
CHROMIUM 6 in H2O 1000ppm (125 mL) CHROMIUM 6 in H2O 1000ppm (125 mL)
SKU: SPEC-CR6

CHROMIUM 6 in H2O 1000ppm (125 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1000ppm
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
CR+3 1000 UG/ML (30 mL) CR+3 1000 UG/ML (30 mL)
SKU: SPEC-CR3M

CR+3 1000 UG/ML (30 mL)

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 1000 UG/ML
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
CHROMIUM 3 in 2-5% HNO3 1000ppm (125ml) CHROMIUM 3 in 2-5% HNO3 1000ppm (125ml)
SKU: SPEC-CR3

CHROMIUM 3 in 2-5% HNO3 1000ppm (125ml)

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  • Brand Spex
  • Matrix 2-5% HNO3
  • Concentration 1000ppm
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
AS+5 1000 UG/ML (30 mL) AS+5 1000 UG/ML (30 mL)
SKU: SPEC-AS5M

AS+5 1000 UG/ML (30 mL)

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  • Brand Spex
  • Matrix H2O
  • Concentration 1000 UG/ML
  • Measured Impurities 68 elements to ppm (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
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