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 - Organochlorine Pesticides on Polyurethane foam Item no. ERA-1011 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 - Metals on Filter Paper Item no. ERA-1025 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 - Mercury in Impinger Solution Item no. ERA-1028 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 - Lead on Filter Paper Item no. ERA-1029 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 - Lead in Impinger Solution Item no. ERA-1030 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 - Chromium on Filter Paper Item no. ERA-1031 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 - Hydrogen Halides & Halogens in Impinger Solution Pair Item no. ERA-1040 Unit Two impinger solutions 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 - Fluoride in Impinger Solution Item no. ERA-1041 Unit One impinger solution 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 - Nitrogen Oxide in Impinger Solution Item no. ERA-1042 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 - 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
Certified Reference Material - Color, Water Pollution Item no. ERA-1070C Unit 30 mL Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Color, Water Pollution Item no. ERA-1070CQR Unit 30 mL Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Organochlorine Pesticides on Polyurethane foam Item no. ERA-1111 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
Certified Reference Material - PCBs on Polyurethane foam Item no. ERA-1112 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
Certified Reference Material - PAHs on Polyurethane foam Item no. ERA-1113 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 - Mercury on Filter Paper Item no. ERA-1127 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
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
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
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
Certified Reference Material - Hexavalent Chromium in Impinger Solution Item no. ERA-1132 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Hexavalent Chromium in Impinger Solution Item no. ERA-1132QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Hydrogen Halides & Halogens in Impinger Solution Item no. ERA-1140 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Hydrogen Halides & Halogens in Impinger Solution Item no. ERA-1140QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Fluoride in Impinger Solution Item no. ERA-1141 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Nitrogen Oxide in Impinger Solution Item no. ERA-1142 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
Certified Reference Material - Sulfuric Acid & Sulfur Dioxide in Impinger Solution Item no. ERA-1144 Unit 15 mL 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 on Filter Paper Item no. ERA-1150 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 - 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
Certified Reference Material - Total Cyanide QC plus QC Standard Item no. ERA-4093 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Nutrients in Soil, priority pollutant (PriorityPollutnT TM) Item no. ERA-542 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Diesel Range Organics (DRO) in Water Item no. ERA-641 Unit 2 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 - Turbidity, potable water (PotableWatR TM) Item no. ERA-699 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Diesel Range Organics (DRO) in Water Item no. ERA-764 CAS Number [68476-34-6] Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Diesel Range Organics (DRO) in Water Item no. ERA-764QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Low-Level Nitroaromatics & Nitramines, priority pollutant Item no. ERA-932 Unit 2 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