Proficiency Testing - Semivolatiles on Polyurethane foam (Pair) Item no. ERA-1010 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 - Aldehydes & Ketones on Sorbent Item no. ERA-1014 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 - Metals on Filter Paper Item no. ERA-1025 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 - 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 - Hexavalent Chromium in Impinger Solution Item no. ERA-1032 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 - 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 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 - 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 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 - 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 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
Certified Reference Material - Volatiles on Sorbent Item no. ERA-1101 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Volatiles on Sorbent Item no. ERA-1101QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Semivolatiles on Polyurethane foam (Pair) Item no. ERA-1110 Unit each Analytes Select to compare Price on request - + 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
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
Certified Reference Material - Aldehydes & Ketones on Sorbent Item no. ERA-1114 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Metals on Filter Paper Item no. ERA-1125 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
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
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
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
QuiKResponse - Fluoride in Impinger Solution Item no. ERA-1141QR 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
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
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
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
QuiKResponse - Ammonia in Impinger Solution Item no. ERA-1145QR 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
QuiKResponse - Particulate Matter on Filter Paper Item no. ERA-1150QR 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
QuiKResponse - Particulate Matter in Impinger Solution Item no. ERA-1151QR Unit each Analytes Select to compare Price on request - + Add to cart All product details