0.500 mg/L C from NIST KHP - 250 mL Item no. ERA-11735 Unit 250 mL Analytes Select to compare Price on request - + Add to cart All product details
0.500 mg/L C from NIST KHP - 1 L Item no. ERA-11775 Unit 1 L Analytes Select to compare Price on request - + Add to cart All product details
0.750 mg/L C from NIST KHP - 40 mL Item no. ERA-11780 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
0.750 mg/L C from NIST KHP - 250 mL Item no. ERA-11790 Unit 250 mL Analytes Select to compare Price on request - + Add to cart All product details
0.200 mg/L C from NIST KHP - 40 mL Item no. ERA-11797 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
0.200 mg/L C from NIST KHP - 125 mL Item no. ERA-11798 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
1.00 mg/L C from NIST KHP - 40 mL Item no. ERA-11800 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
1.00 mg/L C from NIST KHP, 40 mL- HCl preserved Item no. ERA-11801H Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
1.00 mg/L C from NIST KHP - 125 mL Item no. ERA-11810 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
1.00 mg/L C from NIST KHP - 250 mL Item no. ERA-11820 Unit 250 mL Analytes Select to compare Price on request - + Add to cart All product details
1.00 mg/L C from NIST KHP - 1 L Item no. ERA-12000 Unit 1 L Analytes Select to compare Price on request - + Add to cart All product details
1.50 mg/L C from NIST KHP - 40 mL Item no. ERA-12050 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
2.00 mg/L C from NIST KHP - 40 mL Item no. ERA-12100 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
2.00 mg/L C from NIST KHP - 125 mL Item no. ERA-12110 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
2.00 mg/L C from NIST KHP - 1 L Item no. ERA-12300 Unit 1 L Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Complex Nutrients (Hard Water), effluent (synthetic waste water matrix) Item no. ERA-1241 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Demand, effluent (synthetic waste water matrix) Item no. ERA-1242 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 - Common Inorganics, effluent (synthetic waste water matrix) Item no. ERA-1249 Unit each Analytes Select to compare Price on request - + Add to cart All product details
pH 4 Item no. ERA-127 Unit 1 pint Analytes Select to compare Price on request - + Add to cart All product details
pH 4 Item no. ERA-128 Unit 6 x 1 pint Analytes Select to compare Price on request - + Add to cart All product details
pH 4 Item no. ERA-129 Unit 1 L Analytes Select to compare Price on request - + Add to cart All product details
pH 7 Item no. ERA-131 Unit 1 pint 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 348 (July 7, 2025 - August 21, 2025)WS 354 (January 12, 2026 - February 26, 2026)WS 357 (April 13, 2026 - May 28, 2026)WS 360 (July 13, 2026 - August 27, 2028) Add to cart All product details
pH 7 Item no. ERA-132 Unit 6 x 1 pint Analytes Select to compare Price on request - + Add to cart All product details
pH 7 Item no. ERA-133 Unit 1 L 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
Certified Reference Material - Free Cyanide, clean water (synthetic drinking water matrix) Item no. ERA-1345 Unit 15 mL vial Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Common Inorganics (Hard Water), clean water (synthetic drinking water matrix) Item no. ERA-1346 Unit each Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - Common Inorganics (Soft Water), clean water (synthetic drinking water matrix) Item no. ERA-1347 Unit each Analytes Select to compare Price on request - + Add to cart All product details
pH 10 Item no. ERA-135 Unit 1 pint 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 - Quality Control Product -Ammonia as N Item no. ERA-1359 Unit each Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - Ammonia as N Item no. ERA-1359QR Unit each Analytes Select to compare Price on request - + Add to cart All product details
pH 10 Item no. ERA-136 Unit 6 x 1 pint Analytes Select to compare Price on request - + Add to cart All product details
pH 10 Item no. ERA-137 Unit 1 L Analytes Select to compare Price on request - + Add to cart All product details
pH 4, 7, 10 Item no. ERA-141 Unit 6 x 1 pint Analytes Select to compare Price on request - + Add to cart All product details
Turbidity Calibration Set (0,1,25,50,100,175 NTU) Item no. ERA-14119 Unit set (5 x 1 L) 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 366 (July 14, 2025 - August 28, 2025)WP 369 (October 10, 2025 - November 24, 2025)WP 372 (January 20, 2026 - March 6, 2026)WP 375 (April 20, 2026 - June 4, 2026)WP 378 (July 20, 2026 - September 3, 2026)WP 381 (October 16, 2026 - November 30, 2026) 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
QuiKResponse - Perchlorate Item no. ERA-1501QR Unit 15 mL Analytes Select to compare Price on request - + Add to cart All product details
USP System Suitability Set - 40 mL set Item no. ERA-18000 Unit Set Analytes Select to compare Price on request - + Add to cart All product details
USP System Suitability Set - 125 mL Item no. ERA-18025 Unit Set Analytes Select to compare Price on request - + Add to cart All product details
USP System Suitability Set - 125 mL -HDPE Item no. ERA-18030 Unit Set Analytes Select to compare Price on request - + Add to cart All product details
USP System Suitability Set - 250mL Item no. ERA-18050 Unit Set Analytes Select to compare Price on request - + Add to cart All product details
USP System Suitability Set - 250mL - HDPE Item no. ERA-18055 Unit Set Analytes Select to compare Price on request - + Add to cart All product details
USP Sterile Water System Suitability Set - 40 mL Item no. ERA-18061 Unit Set Analytes Select to compare Price on request - + Add to cart All product details
USP System Suitability Set -500 mL Item no. ERA-18100 Unit Set Analytes Select to compare Price on request - + Add to cart All product details
USP System Suitability Set -500 mL - HDPE Item no. ERA-18140 Unit Set Analytes Select to compare Price on request - + Add to cart All product details
USP System Suitability Set - 1 L Item no. ERA-18200 Unit Set Analytes Select to compare Price on request - + Add to cart All product details