Ochratoxin A in feed Item no. AOK-PT-F5701/OA Unit 55 g Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) F5701/OA (October 20, 2025 - November 24, 2025) Add to cart All product details
Deoxynivalenol in feed Item no. AOK-PT-F5702/DA Unit 55 g Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) F5702/DA (October 20, 2025 - November 24, 2025) Add to cart All product details
Ochratoxin A in maize flour Item no. AOK-PT-MA5600/OA Unit 80 g Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) MA5600/OA (June 16, 2025 - July 21, 2025) Add to cart All product details
Zearalenone in maize flour Item no. AOK-PT-MA5600/ZA Unit 80 g Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) MA5600/ZA (June 16, 2025 - July 21, 2025) Add to cart All product details
Aflatoxin M1 in bovine milk Item no. AOK-PT-MI5700A Unit 2 x 110 mL Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) MI5700A (October 20, 2025 - November 24, 2025) Add to cart All product details
Aflatoxin M1 in bovine milk Item no. AOK-PT-MI5700B Unit 2 x 20 mL Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) MI5700B (October 20, 2025 - November 24, 2025) Add to cart All product details
Ochratoxin A in hazelnut and cocoa spread Item no. AOK-PT-N5603/OA Unit 55 g Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) N5603/OA (June 16, 2025 - July 21, 2025) Add to cart All product details
QuiKResponse - Sulfide, waste water (WasteWatR TM) Item no. ERA-071QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Sulfur Dioxide in Impinger Solution Item no. ERA-1043 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Sulfuric Acid & Sulfur Dioxide in Impinger Solution Item no. ERA-1044 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Ammonia in Impinger Solution Item no. ERA-1045 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
Proficiency Testing - Particulate Matter in Impinger Solution Item no. ERA-1051 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 070 (October 25, 2024 - December 9, 2024)AE 071 (January 31, 2025 - March 17, 2025)AE 072 (April 28, 2025 - June 12, 2025)AE 073 (July 28, 2025 - September 11, 2025)AE 074 (October 24, 2025 - December 8, 2025) Add to cart All product details
QuiKResponse - Semivolatiles on Polyurethane foam (Pair) Item no. ERA-1110QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Organochlorine Pesticides on Polyurethane foam Item no. ERA-1111QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - PCBs on Polyurethane foam Item no. ERA-1112QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - PAHs on Polyurethane foam Item no. ERA-1113QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Metals on Filter Paper Item no. ERA-1125QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Metals in Impinger Solution Item no. ERA-1126 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Metals in Impinger Solution Item no. ERA-1126QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Mercury on Filter Paper Item no. ERA-1127QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Mercury in Impinger Solution Item no. ERA-1128QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Lead on Filter Paper Item no. ERA-1129 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Lead on Filter Paper Item no. ERA-1129QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Lead in Impinger Solution Item no. ERA-1130 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Lead in Impinger Solution Item no. ERA-1130QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Chromium on Filter Paper Item no. ERA-1131 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Chromium on Filter Paper Item no. ERA-1131QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Mercury, clean water (synthetic drinking water matrix) Item no. ERA-1341 Unit 1 x 15 mL Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Perchlorate Item no. ERA-1500 Unit 15 mL Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 357 (October 11, 2024 - November 25, 2024)WP 360 (January 21, 2025 - March 7, 2025)WP 363 (April 14, 2025 - May 29, 2025)WP 366 (July 14, 2025 - August 28, 2025)WP 369 (October 10, 2025 - November 24, 2025) Add to cart All product details
Certified Reference Material - Perchlorate Item no. ERA-1501 Unit 15 mL Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - 1,4-Dioxane Item no. ERA-402 Unit 2 mL (ampoule) Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Minerals QC plus QC Standard Item no. ERA-4053 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Volatile Aromatics Item no. ERA-4452 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - PFAS in Soil Item no. ERA-465 Unit 10 g Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) SOIL 128 (October 18, 2024 - December 2, 2024)SOIL 129 (January 27, 2025 - March 13, 2025)SOIL 130 (April 21, 2025 - June 5, 2025)SOIL 131 (July 21, 2025 - September 4, 2025)SOIL 132 (October 17, 2025 - December 1, 2025)SOIL 133 (January 26, 2026 - March 12, 2026)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
Proficiency Testing - Texas Low-Level Fuels (TPH) in Water Item no. ERA-476 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 357 (October 11, 2024 - November 25, 2024)WP 360 (January 21, 2025 - March 7, 2025)WP 363 (April 14, 2025 - May 29, 2025)WP 366 (July 14, 2025 - August 28, 2025)WP 369 (October 10, 2025 - November 24, 2025) Add to cart All product details
Proficiency Testing - Massachusetts EPH in Water Item no. ERA-482 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WP 357 (October 11, 2024 - November 25, 2024)WP 358 (November 11, 2024 - December 26, 2024)WP 359 (December 9, 2024 - January 23, 2025)WP 360 (January 21, 2025 - March 7, 2025)WP 361 (February 17, 2025 - April 3, 2025)WP 362 (March 10, 202 - April 24, 2025)WP 363 (April 14, 2025 - May 29, 2025)WP 364 (May 12, 2025 - June 26, 2025)WP 365 (June 16, 2025 - July 31, 2025)WP 366 (July 14, 2025 - August 28, 2025)WP 367 (August 11, 2025 - September 25, 2025)WP 368 (September 15, 2025 - October 30, 2025)WP 369 (October 10, 2025 - November 24, 2025)WP 370 (November 3, 2025 - December 18, 2025)WP 371 (December 8, 2025 - January 22, 2026) Add to cart All product details
Certified Reference Material - PCBs in Soil - 1254 High Item no. ERA-493 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Lithium Item no. ERA-4992 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Total Residual Chlorine, waste water (WasteWatR TM) Item no. ERA-501 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Hardness, waste water (WasteWatR TM) Item no. ERA-507 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Inorganic Disinfection 2 Item no. ERA-5262 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Inorganic Disinfection 1 QC Item no. ERA-5272 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Nutrients in Sludge, priority pollutant (PriorityPollutnT TM) Item no. ERA-545 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Organic Carbon, potable water Item no. ERA-557 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 339 (October 4, 2024 - November 18, 2024)WS 340 (November 4, 2024 - December 19, 2024)WS 341 (December 2, 2024 - January 16, 2025)WS 342 (January 13, 2025 - February 27, 2025)WS 343 (February 10, 2025 - March 27, 2025)WS 344 (March 3, 2025 - April 17, 2025)WS 345 (April 7, 2025 - May 22, 2025)WS 346 (May 5, 2025 - June 19 ,2025)WS 347 (June 9, 2025 -July 24, 2025)WS 348 (July 7, 2025 - August 21, 2025)WS 349 (August 4, 2025 - September 18, 2025)WS 350 (September 8, 2025 - October 23, 2025)WS 351 (October 3, 2025 - November 17, 2025)WS 352 (October 31, 2025 - December 15, 2025)WS 353 (December 1, 2025 - January 15, 2026) Add to cart All product details
Certified Reference Material - Massachusetts EPH in Water Item no. ERA-567 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Metals, potable water Item no. ERA-590 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 339 (October 4, 2024 - November 18, 2024)WS 340 (November 4, 2024 - December 19, 2024)WS 341 (December 2, 2024 - January 16, 2025)WS 342 (January 13, 2025 - February 27, 2025)WS 343 (February 10, 2025 - March 27, 2025)WS 344 (March 3, 2025 - April 17, 2025)WS 345 (April 7, 2025 - May 22, 2025)WS 346 (May 5, 2025 - June 19 ,2025)WS 347 (June 9, 2025 -July 24, 2025)WS 348 (July 7, 2025 - August 21, 2025)WS 349 (August 4, 2025 - September 18, 2025)WS 350 (September 8, 2025 - October 23, 2025)WS 351 (October 3, 2025 - November 17, 2025)WS 352 (October 31, 2025 - December 15, 2025)WS 353 (December 1, 2025 - January 15, 2026) Add to cart All product details
Certified Reference Material - Total Petroleum Hydrocarbons (TPH) in Water #1 Item no. ERA-600 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - BTEX & MTBE in Soil Item no. ERA-633 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) SOIL 128 (October 18, 2024 - December 2, 2024)SOIL 129 (January 27, 2025 - March 13, 2025)SOIL 130 (April 21, 2025 - June 5, 2025)SOIL 131 (July 21, 2025 - September 4, 2025)SOIL 132 (October 17, 2025 - December 1, 2025)SOIL 133 (January 26, 2026 - March 12, 2026)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 - BTEX & MTBE in Soil Item no. ERA-761 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - BTEX & MTBE in Soil Item no. ERA-761QR Unit each Analytes Select to compare Price on request - + Add to cart All product details