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 - Mercury in Impinger Solution Item no. ERA-1028 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)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 - Lead on Filter Paper Item no. ERA-1029 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)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 - Lead in Impinger Solution Item no. ERA-1030 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)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 - Chromium on Filter Paper Item no. ERA-1031 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)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 - 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 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)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 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)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 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)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 068 (April 29, 2024 - June 13, 2024)AE 069 (July 29, 2024 - September 12, 2024)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 - Aldehydes & Ketones on Sorbent Item no. ERA-1114QR 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
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
QuiKResponse - Lead on Filter Paper Item no. ERA-1129QR 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
QuiKResponse - Chromium on Filter Paper Item no. ERA-1131QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Nitrogen Oxide in Impinger Solution Item no. ERA-1142QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Sulfur Dioxide in Impinger Solution Item no. ERA-1143 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Sulfur Dioxide in Impinger Solution Item no. ERA-1143QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Sulfuric Acid & Sulfur Dioxide in Impinger Solution Item no. ERA-1144QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Ammonia in Impinger Solution Item no. ERA-1145 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Particulate Matter in Impinger Solution Item no. ERA-1151 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Simple Nutrients, effluent (synthetic waste water matrix) Item no. ERA-1240 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Solids, effluent (synthetic waste water matrix) Item no. ERA-1243 Unit each 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 333 (April 8, 2024 - May 23, 2024)WS 336 (July 8, 2024 - August 22, 2024)WS 342 (January 13, 2025 - February 27, 2025)WS 345 (April 7, 2025 - May 22, 2025)WS 348 (July 7, 2025 - August 21, 2025) 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
Certified Reference Material - Demand, clean water (synthetic drinking water matrix) Item no. ERA-1354 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - High Solids, clean water (synthetic drinking water matrix) Item no. ERA-1355 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Chlorine, clean water (synthetic drinking water matrix) Item no. ERA-1358 Unit each Analytes Select to compare Price on request - + 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 - PFAS - in wastewater Item no. ERA-404 Unit 2 mL (ampoule) 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 126 (April 22, 2024 - June 6, 2024)SOIL 127 (July 22, 2024 - September 5, 2024)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 - PAH-GC & GCMS Item no. ERA-4882 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - PCBs in Soil - 1242 Low Item no. ERA-490 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - PCBs in Soil - 1242 High Item no. ERA-491 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - PCBs in Soil - 1254 Low Item no. ERA-492 Unit each Analytes Select to compare Price on request - + 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 - PCBs in Soil - 1248 Low Item no. ERA-496 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - PCBs in Soil - 1248 High Item no. ERA-497 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Solids, waste water (WasteWatR TM) Item no. ERA-499 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 - Minerals, waste water (WasteWatR TM) Item no. ERA-506 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 - Mercury, waste water (WasteWatR TM) Item no. ERA-514 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Total Phenolics (4-AAP), waste water (WasteWatR TM) Item no. ERA-515 Unit each Analytes Select to compare Price on request - + Add to cart All product details