Skip to Main Content

Select country

Select your country

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!

Categories and filters

Filter / Sorting

Categories

Brand

Accreditations

Product Type

Regulatory Method

Instrument / Test

Analyte - Single / Multi

CAS #

Analyte / Component

Microorganism

2,576 Items found

Per Page:
Sort by:
  • Top rated
SKU: AS-NO39-2X

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

Login to view pricing
  • 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
  • Top rated
SKU: AS-NO2N9-2Y

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

Login to view pricing
  • 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
  • Top rated
SKU: AS-NO2N9-2X

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

Login to view pricing
  • 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
  • Top rated
SKU: AS-NO29-2Y

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

Login to view pricing
  • 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
  • Top rated
SKU: AS-NO29-2X

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

Login to view pricing
  • 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
  • Top rated
SKU: AS-NH3N9-2Y

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

Login to view pricing
  • 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
  • Top rated
SKU: AS-I9-2Y

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

Login to view pricing
  • 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
  • Top rated
SKU: AS-I9-2X

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

Login to view pricing
  • 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
  • Top rated
SKU: AS-HCO29-2Y

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

Login to view pricing
  • 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
  • Top rated
SKU: AS-HCO29-2X

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

Login to view pricing
  • Brand Spex
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
  • Concentration 1,000 µg/mL
  • Matrix H2O
  • Measured Impurities Store at 15 to 30°C to maintain stability and ensure reliable performance during analytical workflows.
  • Raw Material Min three 9s &/purification as available
  • Top rated
  • KIT
SKU: AS-F9-SET

Set of 5 Solutions for Fluoride

  • CCL
Login to view pricing
  • Brand Spex
  • Matrix H2O
  • Concentration 0.1 M
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
  • Top rated
SKU: AS-F9-5Y

Fluoride (F-) Single-Element Ion Selective Electrode Standard, 0.1 M (125 mL)

  • CCL
Login to view pricing
  • Brand Spex
  • Matrix H2O
  • Concentration 0.1 M
  • Measured Impurities 6 Anion impurities to ppm
  • Raw Material Min three 9s &/purification as available
  • Certification Dual: Wet Chem, IC Direct Analysis & Impurities
AlertAlertBrowse fileDownload fileFileImagePdfWordTextExcelPowerpointArchiveCsvAudioVideoSpinnerCalendarReturn arrowMinusVisibleInvisibleVisibleInvisibleConfigure