Certified Reference Material - Lead on Filter Paper Item no. ERA-1129 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Chromium on Filter Paper Item no. ERA-1131 CAS Number 2 Analytes Unit each Analyte(s) Chromium (total) + 1 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Hexavalent Chromium in Impinger Solution Item no. ERA-1132 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Hydrogen Halides & Halogens in Impinger Solution Item no. ERA-1140 CAS Number 2 Analytes Unit each Analyte(s) Total Halides + 1 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Fluoride in Impinger Solution Item no. ERA-1141 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Nitrogen Oxide in Impinger Solution Item no. ERA-1142 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Sulfur Dioxide in Impinger Solution Item no. ERA-1143 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Sulfuric Acid in Impinger Solution, AE Item no. ERA-1144 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Ammonia in Impinger Solution Item no. ERA-1145 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Particulate Matter on Filter Paper Item no. ERA-1150 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Particulate Matter in Impinger Solution Item no. ERA-1151 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Metals in sewage sludge (Sewage SludG TM), priority pollutant (PriorityPollutnT TM) Item no. ERA-160 CAS Number 25 Analytes Unit each Analyte(s) Aluminium (Al) + 24 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Glycols in Water Item no. ERA-401 CAS Number 5 Analytes Unit each Analyte(s) Diethylene glycol + 4 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Demand QC plus QC Standard Item no. ERA-4013 CAS Number 4 Analytes Unit each Analyte(s) Biochemical Oxygen Demand (BOD) + 3 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Solids, Concentrate, waste water (WasteWatR TM) Item no. ERA-4032 CAS Number 3 Analytes Unit each Analyte(s) Total suspended solids (TSS) + 2 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Minerals QC plus QC Standard Item no. ERA-4053 CAS Number 11 Analytes Unit each Analyte(s) Alkalinity, total (CaCO3) + 10 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Oil & Grease Concentrate, waste water (WasteWatR TM) Item no. ERA-4122 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Volatile Aromatics Item no. ERA-4452 CAS Number 14 Analytes Unit each Analyte(s) 1,2,4-Trichlorobenzene + 13 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - PAH-GC & GCMS Item no. ERA-4882 CAS Number 18 Analytes Unit each Analyte(s) 1-Methylnaphthalene + 17 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - PCBs in Soil - 1242 Low Item no. ERA-490 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - PCBs in Soil - 1242 High Item no. ERA-491 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - PCBs in Soil - 1254 Low Item no. ERA-492 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - PCBs in Soil - 1254 High Item no. ERA-493 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - PCBs in Soil - 1260 Low Item no. ERA-494 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - PCBs in Soil - 1260 High Item no. ERA-495 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - PCBs in Soil - 1248 Low Item no. ERA-496 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - PCBs in Soil - 1248 High Item no. ERA-497 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Solids, waste water (WasteWatR TM) Item no. ERA-499 CAS Number 3 Analytes Unit each Analyte(s) Total suspended solids (TSS) + 2 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Lithium Item no. ERA-4992 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Trace Metals, waste water (WasteWatR TM) Item no. ERA-500 CAS Number 21 Analytes Unit each Analyte(s) Aluminium (Al) + 20 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Total Residual Chlorine, waste water (WasteWatR TM) Item no. ERA-501 CAS Number 2 Analytes Unit each Analyte(s) Total residual chlorine + 1 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Cyanide, waste water (WasteWatR TM) Item no. ERA-502 CAS Number 3 Analytes Unit each Analyte(s) Total cyanide + 2 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Oil and Grease- Ready-To-Use CRM - Waste water Item no. ERA-504 CAS Number 2 Analytes Unit each Analyte(s) n-Hexane Extractable Material (O&G) (Gravimetric) + 1 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Simple Nutrients, waste water (WasteWatR TM) Item no. ERA-505 CAS Number 5 Analytes Unit each Analyte(s) Ammonia (as N) + 4 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Minerals, waste water (WasteWatR TM) Item no. ERA-506 CAS Number 9 Analytes Unit each Analyte(s) Alkalinity as CaCO3 + 8 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Hardness, waste water (WasteWatR TM) Item no. ERA-507 CAS Number 5 Analytes Unit each Analyte(s) Calcium (Ca) + 4 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Mercury, waste water (WasteWatR TM) Item no. ERA-514 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Total Phenolics (4-AAP), waste water (WasteWatR TM) Item no. ERA-515 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Proficiency Testing - Solids, Concentrate, WS, potable water Item no. ERA-5150 CAS Number 3 Analytes Unit each Analyte(s) Total suspended solids (TSS) + 2 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) WS 362 (September 8, 2026 - October 23, 2026)WS 363 (October 9, 2026 - November 23, 2026)WS 364 (November 2, 2026 - December 17, 2026)WS 365 (December 7, 2026 - January 21, 2027) Add to cart Select to compare
Certified Reference Material - Solids, Concentrate, potable water (PotableWatR TM) Item no. ERA-5152 CAS Number 3 Analytes Unit each Analyte(s) Non-filterable residue (TSS) + 2 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Demand, waste water (WasteWatR TM) Item no. ERA-516 CAS Number 4 Analytes Unit each Analyte(s) Biochemical Oxygen Demand (BOD) + 3 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Tin & Titanium, waste water (WasteWatR TM) Item no. ERA-517 CAS Number 2 Analytes Unit each Analyte(s) Tin (Sn) + 1 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Materialiter Oil & Grease, waste water (WasteWatR TM) Item no. ERA-518 CAS Number 2 Analytes Unit each Analyte(s) n-Hexane Extractable Material (O and G) (Gravimetric) + 1 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - HEM / SGT-HEM, waste water (WasteWatR TM) Item no. ERA-519 CAS Number 2 Analytes Unit each Analyte(s) HEM + 1 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Complex Nutrients, waste water (WasteWatR TM) Item no. ERA-525 CAS Number 2 Analytes Unit each Analyte(s) Total Kjeldahl-Nitrogen as N + 1 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Inorganic Disinfection 2 Item no. ERA-5262 CAS Number 2 Analytes Unit each Analyte(s) Bromate + 1 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Proficiency Testing - Inorganic Disinfection 1 Item no. ERA-5270 CAS Number 2 Analytes Unit each Analyte(s) Chlorate + 1 more + Structural Formula + View all product details Price on request - + Participation round: Round ID (Opens - Closes) WS 362 (September 8, 2026 - October 23, 2026)WS 363 (October 9, 2026 - November 23, 2026)WS 364 (November 2, 2026 - December 17, 2026)WS 365 (December 7, 2026 - January 21, 2027) Add to cart Select to compare
Certified Reference Material - Inorganic Disinfection 1 QC Item no. ERA-5272 CAS Number 2 Analytes Unit each Analyte(s) Chlorate + 1 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Sulfite Item no. ERA-534 CAS Number n/a Unit each Analyte(s) Analyte(s) + Structural Formula + View all product details Price on request - + Add to cart Select to compare
Certified Reference Material - Metals in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-540 CAS Number 30 Analytes Unit each Analyte(s) Aluminium (Al) + 29 more + Structural Formula + View all product details Price on request - + Add to cart Select to compare