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 - 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
Proficiency Testing - 1,4-Dioxane Item no. ERA-272 Unit 2 mL (ampoule) Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) WS 336 (July 8, 2024 - August 22, 2024)WS 342 (January 13, 2025 - February 27, 2025)WS 348 (July 7, 2025 - August 21, 2025) Add to cart All product details
Proficiency Testing - 1,4-Dioxane Item no. ERA-461 Unit 2 mL (ampoule) Analytes Select to compare Price on request - + Participation round: Round ID (Opens - Closes) SOIL 127 (July 22, 2024 - September 5, 2024)SOIL 129 (January 27, 2025 - March 13, 2025)SOIL 131 (July 21, 2025 - September 4, 2025) Add to cart All product details
Certified Reference Material - 1,4-Dioxane Item no. ERA-538 Unit 2 mL (ampoule) Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - 1,4-Dioxane Item no. ERA-538QR Unit 2 mL (ampoule) Analytes Select to compare Price on request - + Add to cart All product details
Certified Reference Material - 1,4-Dioxane Item no. ERA-689 Unit 2 mL (ampoule) Analytes Select to compare Price on request - + Add to cart All product details
QuiKResponse - 1,4-Dioxane Item no. ERA-689QR Unit 2 mL (ampoule) Analytes Select to compare Price on request - + Add to cart All product details