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Organic, Inorganic, Microbiology & PT Reference Materials for Environmental Testing

We offer organic, inorganic, microbiology, and proficiency testing (PT) reference materials for environmental testing. Choosing environmental reference materials from ZeptoMetrix means accurate and robust chemical and microbiological certified reference materials (CRMs). Our standards are certified for various environmental methods (e.g., EPA, Standard Methods, AOAC, ASTM). Every COA includes certified values for a variety of analytical techniques. We provide custom reference material manufacturing under ISO 17034. Our CRMs increase your laboratory’s efficiency and provide confidence in the accuracy of your results.

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Wastewater Standards

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

Drinking Water Standards

A wide range of CRMs for drinking water analysis to help ensure environmental and human health.

Soil/UST Standards

Meet foundational regulations designed to protect the environment and public health from hazards associated with underground storage tanks.

SNIP™ Standards

NSI SNIP™ standards are the easiest-to-use control standards for wastewater testing — pre-measured, ready-to-use single-use tubes that require no pipetting.

Pesticides Standards

Support analysis of hundreds of commercial pesticides with ready-to-use mixes and single-compound CRMs.

PFAS

CRMs to analyze per- and polyfluoroalkyl substances (PFAS), the synthetically made organofluorine compounds commonly known as “forever chemicals.”

Microplastics

Chiron MicroPRefs® — the first commercial microplastic reference materials — in an easy-to-use formulation.

6PPD-Quinone Standards

Help protect aquatic life with standards for 6PPD-quinone testing.

Organotins

Broad and unique inventory of organotin reference materials used across industries for antibacterial and fungicidal applications.

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4,845 Items found

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SKU: ICMIX6-100

IC Instrument Ion Anion Check Standard 6 (125 mL)

  • CCL
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  • Brand Spex
  • Matrix H2O
  • Concentration 150 µg/mL
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
  • Top rated
SKU: ICMIX5-100

IC Instrument Ion Cation Check Standard 5 (125 mL)

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 1,600 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: ICMIX4-100

IC Instrument Ion Cation Check Standard 4 (125 mL)

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  • Brand Spex
  • Matrix 0.5% HNO3
  • Concentration 100 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: ICMIX3-100

IC Instrument Ion Cation Check Standard 3 (125 mL)

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration 1,000 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
SKU: ICMIX2-100

IC Instrument Ion Anion Check Standard 2 (125 mL)

  • CCL
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  • Brand Spex
  • Matrix H2O
  • Concentration 600 µg/mL
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
  • Top rated
SKU: ICMIX1-100

IC Instrument Ion Anion Check Standard 1 (125 mL)

  • CCL
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  • Brand Spex
  • Matrix H2O
  • Concentration 150 µg/mL
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
  • Top rated
SKU: ICH-TXM8

Elemental Impurities F, 13,000 mg/kg (125 mL)

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  • Brand Spex
  • Matrix 5% HNO3
  • Concentration 13,000 mg/kg
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: ICH-TXM7

Elemental Impurities E (125 mL)

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  • Brand Spex
  • Matrix 5% HNO3
  • Concentration 2,500 mg/kg
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: ICH-TXM4

Precious Metal Impurities B without Os, 100 mg/kg (125 mL)

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  • Brand Spex
  • Matrix 15% HCl
  • Concentration 100 mg/kg
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: ICH-TXM3

Precious Metal Impurities B with Os, 100 mg/kg (125 mL)

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  • Brand Spex
  • Matrix 15% HCl
  • Concentration 100 mg/kg
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: ICH-TXM2

Oral Elemental Impurities A (125 mL)

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  • Brand Spex
  • Matrix 5% HNO3
  • Concentration 25 mg/kg
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SKU: ICAL-4A-500

Instrument Calibration Standard 4 (500 mL)

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  • Brand Spex
  • Matrix 5% HNO3
  • Concentration 100 µg/mL
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
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