Nitrate as Nitrate (NO3) - 1000 mg/l, 125 ml Item no. ERA-051 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Nitrite as Nitrogen (N) - 1000 mg/l, 125 ml Item no. ERA-053 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Phosphate as Phosphate (PO4) - 1000 mg/l, 125 ml Item no. ERA-060 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Phosphate as Phosphorous (P) - 1000 mg/l, 125 ml Item no. ERA-061 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Phosphorus - 1000 mg/l, 125 ml Item no. ERA-063 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Silica - 1000 mg/l, 125 ml Item no. ERA-064 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Perchlorate - 1000 mg/l, 125 ml Item no. ERA-068 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Sulfide, waste water (WasteWatR TM) Item no. ERA-071 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Proficiency Testing - Volatiles on Sorbent Item no. ERA-1001 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 076 (May 1, 2026 - June 15, 2026)AE 077 (July 31, 2026 - September 14, 2026)AE 078 (October 30, 2026 - December 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 080 (April 30, 2027 - June 14, 2027)AE 081 (July 30, 2027 - September 13, 2027)AE 082 (October 29, 2027 - December 13, 2027) Add to cart All product details
TOC/IC Calibration Blank - 125 mL - HDPE Item no. ERA-10020 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
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 077 (July 31, 2026 - September 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 081 (July 30, 2027 - September 13, 2027) 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 077 (July 31, 2026 - September 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 081 (July 30, 2027 - September 13, 2027) Add to cart All product details
Proficiency Testing - PCBs on Polyurethane foam Item no. ERA-1012 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 077 (July 31, 2026 - September 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 081 (July 30, 2027 - September 13, 2027) Add to cart All product details
Proficiency Testing - PAHs on Polyurethane foam Item no. ERA-1013 Unit 2 mL plus polyurethane foam (PUF) Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 076 (May 1, 2026 - June 15, 2026)AE 077 (July 31, 2026 - September 14, 2026)AE 078 (October 30, 2026 - December 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 080 (April 30, 2027 - June 14, 2027)AE 081 (July 30, 2027 - September 13, 2027)AE 082 (October 29, 2027 - December 13, 2027) 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 076 (May 1, 2026 - June 15, 2026)AE 077 (July 31, 2026 - September 14, 2026)AE 078 (October 30, 2026 - December 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 080 (April 30, 2027 - June 14, 2027)AE 081 (July 30, 2027 - September 13, 2027)AE 082 (October 29, 2027 - December 13, 2027) 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 076 (May 1, 2026 - June 15, 2026)AE 077 (July 31, 2026 - September 14, 2026)AE 078 (October 30, 2026 - December 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 080 (April 30, 2027 - June 14, 2027)AE 081 (July 30, 2027 - September 13, 2027)AE 082 (October 29, 2027 - December 13, 2027) Add to cart All product details
Proficiency Testing - Metals in Impinger Solution Item no. ERA-1026 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 076 (May 1, 2026 - June 15, 2026)AE 077 (July 31, 2026 - September 14, 2026)AE 078 (October 30, 2026 - December 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 080 (April 30, 2027 - June 14, 2027)AE 081 (July 30, 2027 - September 13, 2027)AE 082 (October 29, 2027 - December 13, 2027) Add to cart All product details
0.250 mg/L C from NIST Sucrose - 40 mL Item no. ERA-10300 Unit 40 mL Analytes Select to compare Price on request - + 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 076 (May 1, 2026 - June 15, 2026)AE 077 (July 31, 2026 - September 14, 2026)AE 078 (October 30, 2026 - December 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 080 (April 30, 2027 - June 14, 2027)AE 081 (July 30, 2027 - September 13, 2027)AE 082 (October 29, 2027 - December 13, 2027) Add to cart All product details
0.250 mg/L C from NIST Sucrose - 125 mL Item no. ERA-10315 Unit 125 mL Analytes Select to compare Price on request - + 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 076 (May 1, 2026 - June 15, 2026)AE 077 (July 31, 2026 - September 14, 2026)AE 078 (October 30, 2026 - December 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 080 (April 30, 2027 - June 14, 2027)AE 081 (July 30, 2027 - September 13, 2027)AE 082 (October 29, 2027 - December 13, 2027) Add to cart All product details
0.250 mg/L C from NIST Sucrose - 250 mL - Anatel Item no. ERA-10331 Unit 250 mL Analytes Select to compare Price on request - + 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 076 (May 1, 2026 - June 15, 2026)AE 077 (July 31, 2026 - September 14, 2026)AE 078 (October 30, 2026 - December 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 080 (April 30, 2027 - June 14, 2027)AE 081 (July 30, 2027 - September 13, 2027)AE 082 (October 29, 2027 - December 13, 2027) 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 076 (May 1, 2026 - June 15, 2026)AE 077 (July 31, 2026 - September 14, 2026)AE 078 (October 30, 2026 - December 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 080 (April 30, 2027 - June 14, 2027)AE 081 (July 30, 2027 - September 13, 2027)AE 082 (October 29, 2027 - December 13, 2027) Add to cart All product details
0.250 mg/L C from NIST Sucrose - 500 mL - Anatel Item no. ERA-10420 Unit 500 mL 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 076 (May 1, 2026 - June 15, 2026)AE 077 (July 31, 2026 - September 14, 2026)AE 078 (October 30, 2026 - December 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 080 (April 30, 2027 - June 14, 2027)AE 081 (July 30, 2027 - September 13, 2027)AE 082 (October 29, 2027 - December 13, 2027) 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 076 (May 1, 2026 - June 15, 2026)AE 077 (July 31, 2026 - September 14, 2026)AE 078 (October 30, 2026 - December 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 080 (April 30, 2027 - June 14, 2027)AE 081 (July 30, 2027 - September 13, 2027)AE 082 (October 29, 2027 - December 13, 2027) 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 076 (May 1, 2026 - June 15, 2026)AE 077 (July 31, 2026 - September 14, 2026)AE 078 (October 30, 2026 - December 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 080 (April 30, 2027 - June 14, 2027)AE 081 (July 30, 2027 - September 13, 2027)AE 082 (October 29, 2027 - December 13, 2027) Add to cart All product details
Proficiency Testing - Particulate Matter on Filter Paper Item no. ERA-1050 Unit each Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) AE 076 (May 1, 2026 - June 15, 2026)AE 077 (July 31, 2026 - September 14, 2026)AE 078 (October 30, 2026 - December 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 080 (April 30, 2027 - June 14, 2027)AE 081 (July 30, 2027 - September 13, 2027)AE 082 (October 29, 2027 - December 13, 2027) 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 076 (May 1, 2026 - June 15, 2026)AE 077 (July 31, 2026 - September 14, 2026)AE 078 (October 30, 2026 - December 14, 2026)AE 079 (January 29, 2027 - March 15, 2027)AE 080 (April 30, 2027 - June 14, 2027)AE 081 (July 30, 2027 - September 13, 2027)AE 082 (October 29, 2027 - December 13, 2027) Add to cart All product details
0.500 mg/L C from NIST Sucrose - 40 mL Item no. ERA-10600 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
0.500 mg/L C from NIST Sucrose - 125 mL Item no. ERA-10615 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
0.500 mg/L C from NIST Sucrose - 125 mL HDPE Item no. ERA-10620 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
0.500 mg/L C from NIST Sucrose - 250 mL Item no. ERA-10621 Unit 250 mL Analytes Select to compare Price on request - + Add to cart All product details
0.500 mg/L C from NIST Sucrose - 250 mL - Anatel Item no. ERA-10631 Unit 250 mL Analytes Select to compare Price on request - + Add to cart All product details
0.500 mg/L C from NIST Sucrose - 500 mL HDPE Item no. ERA-10710 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
0.500 mg/L C from NIST Sucrose - 500 mL Item no. ERA-10720 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
0.500 mg/L C from NIST Sucrose - 1 L Item no. ERA-10800 Unit 1 L Analytes Select to compare Price on request - + Add to cart All product details
0.750 mg/L C from NIST Sucrose - 40 mL Item no. ERA-10900 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
Shimadzu TOC-V Validation Kit Item no. ERA-11002 Unit 3 x 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Shimadzu TOC-V HS Validation Kit Item no. ERA-11003 Unit 3 x 125 mL Analytes Select to compare Price on request - + Add to cart All product details
Shimadzu TOC-V Multi Calibration Kit Item no. ERA-11005 Unit set (10 x 40 mL) Analytes Select to compare Price on request - + 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