500,000 µS/cm Conductivity - 125 mL Item no. ERA-01667 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Swan Calibration Kit - 250 mL Item no. ERA-10035S Unit 250 mL Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Mercury in Impinger Solution Item no. ERA-1128 Unit each Analytes Select to compare Price on request - + Add to cart All product details
0.100 mg/L C from NIST KHP - 250 mL Item no. ERA-11718 Unit 250 mL Analytes Select to compare Price on request - + Add to cart All product details
0.500 mg/L C from NIST KHP - 250 mL Item no. ERA-11735 Unit 250 mL Analytes Select to compare Price on request - + Add to cart All product details
0.500 mg/L C from NIST KHP - 500 mL Item no. ERA-11750 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
TT-OI Analytical TOC/IC Validation Challenge Item no. ERA-12402 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Common Inorganics, effluent (synthetic waste water matrix) Item no. ERA-1249 Unit each Analytes Select to compare Price on request - + Add to cart All product details
5.00 mg/L C from NIST KHP - 1 L Item no. ERA-12600 Unit 1 L Analytes Select to compare Price on request - + Add to cart All product details
pH 4 Item no. ERA-127 Unit 1 pint Analytes Select to compare Price on request - + Add to cart All product details
10.0 mg/L C from NIST KHP - 500 mL Item no. ERA-12800 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
TT - 20.0 mg/L C from NIST KHP - 125 mL Item no. ERA-12903 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
12.5 mg/L C from NIST KHP - 250 mL Item no. ERA-12914 Unit 250 mL Analytes Select to compare Price on request - + Add to cart All product details
15.0 mg/L C from NIST KHP - 40 mL Item no. ERA-12940 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
25.0 mg/L C from NIST KHP - 40 mL Item no. ERA-13000 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
pH 7 Item no. ERA-131 Unit 1 pint Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Ammonia as N Item no. ERA-1319 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 357 (April 13, 2026 - May 28, 2026)WS 360 (July 13, 2026 - August 27, 2028) Add to cart All product details
pH 7 Item no. ERA-132 Unit 6 x 1 pint Analytes Select to compare Price on request - + Add to cart All product details
30.0 mg/L C from NIST KHP - 40 mL Item no. ERA-13210 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
50.0 mg/L C from NIST KHP - 40 mL Item no. ERA-13225 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
50.0 mg/L C from NIST KHP - 125 mL Item no. ERA-13226 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
50.0 mg/L C from NIST KHP - 250 mL Item no. ERA-13228 Unit 250 mL Analytes Select to compare Price on request - + Add to cart All product details
50.0 mg/L C from NIST KHP - 500 mL Item no. ERA-13230 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
100 mg/L C from NIST KHP - 40 mL Item no. ERA-13275 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
pH 10 Item no. ERA-135 Unit 1 pint Analytes Select to compare Price on request - + Add to cart All product details
pH 4, 7, 10 Item no. ERA-141 Unit 6 x 1 pint Analytes Select to compare Price on request - + Add to cart All product details
0.500 mg/L Inorganic Carbon from NaHCO3 - 500 mL Item no. ERA-15992 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
0.500 mg/L Inorganic Carbon from NaHCO3 - 125 mL Item no. ERA-15995 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
5.00 mg/L Inorganic Carbon from NaHCO3 - 40 mL Item no. ERA-16300 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
25.0 mg/L Inorganic Carbon from NaHCO3 - 500 mL Item no. ERA-17000 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
100 mg/L Inorganic Carbon from NaHCO3 - 40 mL Item no. ERA-17150 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
JP System Suitability Set - 40 mL Item no. ERA-18000J Unit Set Analytes Select to compare Price on request - + Add to cart All product details
Robustness Verification Set - 40 mL Item no. ERA-18000R Unit Set Analytes Select to compare Price on request - + Add to cart All product details
Rw- Reagent Water USP - 40 mL Item no. ERA-18001 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
JP Reagent Water (Rw) - 40 mL Item no. ERA-18001J Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
Rs-0.500 mg/L C from USP Sucrose RS - 40 mL Item no. ERA-18002 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
Standard Set for Simple TOC Precision & Accuracy Item no. ERA-18009 Unit Set Analytes Select to compare Price on request - + Add to cart All product details
USP System Suitability Set - 250mL - HDPE Item no. ERA-18055 Unit Set Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Oxygen, dissolved in water Item no. ERA-212 Unit 500 mL Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
Certified Reference Material - Solids, Concentrate, waste water (WasteWatR TM) Item no. ERA-4032 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Volatile Aromatics Item no. ERA-4450 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details
Proficiency Testing - Massachusetts VPH in Water Item no. ERA-481 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 374 (March 16, 2026 - April 30, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 376 (May 18, 2026 - July 2, 2026)WP 377 (June 15, 2026 - July 30, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 379 (August 17, 2026 - October 1, 2026)WP 380 (September 14, 2026 - October 29, 2026)WP 381 (October 16, 2026 - November 30, 2026)WP 382 (November 6, 2026 - December 21, 2026)WP 383 (December 14, 2026 - January 28, 2027) Add to cart All product details
Proficiency Testing - Massachusetts VPH in Soil Item no. ERA-483 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) SOIL 134 (April 27, 2026 - June 11, 2026)SOIL 135 (July 27, 2026 - September 10, 2026)SOIL 136 (October 23, 2026 - December 7, 2026)SOIL 137 (January 25, 2027 - March 11, 2027)SOIL 138 (April 26, 2027 - June 10, 2027)SOIL 139 (July 26, 2027 - September 9, 2027)SOIL 140 (October 22, 2027 - December 6, 2027) Add to cart All product details
Certified Reference Material - Massachusetts VPH in Water Item no. ERA-566 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Massachusetts VPH in Soil Item no. ERA-568 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Massachusetts VPH in Soil Item no. ERA-568QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Organophosphorus Pesticides (OPP), priority pollutant (PrPollutnT TM) Item no. ERA-665QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Organic Carbon, potable water (PotableWatR TM) Item no. ERA-669 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Acids, priority pollutant (PriorityPollutnT TM) Item no. ERA-712 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Organophosphorus Pesticides (OPP), priority pollutant Item no. ERA-934 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) Add to cart All product details