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Environmental Certified Reference Materials and Proficiency Test Standards

Our wastewater standards enhance your testing accuracy and efficiency. Regular use of our certified reference materials (CRMs) and proficiency test (PT) standards ensures high data quality and supports accreditation needs.

We specialize in ISO-accredited CRMs and effluent standards that are stable and integrate seamlessly into routine workflows. Pre-measured, single-use materials help prevent errors and simplify processes. For example, try our GGA Concentrate Snips™: just snip and pour into a 300 mL BOD bottle—no measurements or contamination. Our versatile, multiparameter CRMs streamline testing procedures, reducing the need for multiple CRMs in your lab. Watch the demonstration video to learn more!

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2,562 Items found

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  • Top rated
  • KIT
Minerals Testing Kit Minerals Testing Kit
SKU: SPXMT-KIT

Minerals Testing Kit

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  • Brand Spex
  • Matrix 2% HNO3
  • Concentration Multiple
  • Measured Impurities 68 elements to ppb (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
  • KIT
Heavy Metals Testing Kit Heavy Metals Testing Kit
SKU: SPXHM-KIT

Heavy Metals Testing Kit

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  • Brand Spex
  • Matrix Multiple
  • Concentration Multiple
  • Measured Impurities 68 elements to ppb (product)
  • Raw Material Five 9s & Purification as available
  • Certification Dual: Wet Chem, ICP Direct & ICPMS Impurities
  • Top rated
AA/ICP SPIKE SAMPLE STANDARD 4 AA/ICP SPIKE SAMPLE STANDARD 4
SKU: SPIKE-4

AA/ICP SPIKE SAMPLE STANDARD 4

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. Tartaric Acid/tr. HF
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SPIKE SAMPLE STANDARD,500 ML SPIKE SAMPLE STANDARD,500 ML
SKU: SPIKE-1-500

SPIKE SAMPLE STANDARD,500 ML

  • CCL
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  • Brand Spex
  • Matrix 5% HNO3/tr. Tartaric Acid/tr. HF
  • Raw Material Five 9s & Purification as available
  • Certification Single: Direct ICP Analysis
  • Top rated
SPIKE SAMPLE STANDARD (125 mL) SPIKE SAMPLE STANDARD (125 mL)
SKU: SPIKE-1

SPIKE SAMPLE STANDARD (125 mL)

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