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 - 500 mL Item no. ERA-11750 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
1.00 mg/L C from NIST KHP - 500 mL Item no. ERA-11900 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
2.00 mg/L C from NIST KHP - 250 mL Item no. ERA-12120 Unit 250 mL Analytes Select to compare Price on request - + Add to cart All product details
2.00 mg/L C from NIST KHP - 500 mL Item no. ERA-12200 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
4.00 mg/L C from NIST KHP - 125 mL Item no. ERA-12360 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
5.00 mg/L C from NIST KHP - 40 mL Item no. ERA-12400 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
TT-OI Analytical TOC/IC Validation Challenge Item no. ERA-12402 Unit each Analytes Select to compare Price on request - + Add to cart All product details
5.00 mg/L C from NIST KHP - Bottle Typ B Item no. ERA-12410 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
5.00 mg/L C from NIST KHP - 250 mL Item no. ERA-12420 Unit 250 mL 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
5.00 mg/L C from NIST KHP - 500 mL Item no. ERA-12500 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
5.00 mg/L C from NIST KHP - 1 L Item no. ERA-12600 Unit 1 L 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
10.0 mg/L C from NIST KHP - 40 mL Item no. ERA-12700 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
10.0 mg/L C from NIST KHP - 125 mL Item no. ERA-12710 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
10.0 mg/L C from NIST KHP - 250 mL Item no. ERA-12720 Unit 250 mL 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
10.0 mg/L C from NIST KHP - 500 mL Item no. ERA-12800 Unit 500 mL 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
TT - 20.0 mg/L C from NIST KHP - 125 mL Item no. ERA-12903 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
12.5 mg/L C from NIST KHP - 250 mL Item no. ERA-12914 Unit 250 mL Analytes Select to compare Price on request - + Add to cart All product details
15.0 mg/L C from NIST KHP - 40 mL Item no. ERA-12940 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
25.0 mg/L C from NIST KHP - 40 mL Item no. ERA-13000 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
25.0 mg/L C from NIST KHP - 125 mL Item no. ERA-13020 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
25.0 mg/L C from NIST KHP - 250 mL Item no. ERA-13040 Unit 250 mL 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 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
30.0 mg/L C from NIST KHP - 40 mL Item no. ERA-13210 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
50.0 mg/L C from NIST KHP - 40 mL Item no. ERA-13225 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
50.0 mg/L C from NIST KHP - 125 mL Item no. ERA-13226 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
50.0 mg/L C from NIST KHP - 250 mL Item no. ERA-13228 Unit 250 mL Analytes Select to compare Price on request - + Add to cart All product details
50.0 mg/L C from NIST KHP - 500 mL Item no. ERA-13230 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
100 mg/L C from NIST KHP - 40 mL Item no. ERA-13275 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
100 mg/L C from NIST KHP - 125 mL Item no. ERA-13276 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
100 mg/L C from NIST KHP - 250 mL Item no. ERA-13277 Unit 250 mL Analytes Select to compare Price on request - + Add to cart All product details
100 mg/L C from NIST KHP - 500 mL Item no. ERA-13278 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
150 mg/L C from NIST KHP - 250 mL Item no. ERA-13282 Unit 250 mL Analytes Select to compare Price on request - + Add to cart All product details
200 mg/L C from NIST KHP - 250 mL Item no. ERA-13287 Unit 250 mL Analytes Select to compare Price on request - + Add to cart All product details
250 mg/L C from NIST KHP - 250 mL Item no. ERA-13292 Unit 250 mL Analytes Select to compare Price on request - + Add to cart All product details
500 mg/L C from NIST KHP - 40 mL Item no. ERA-13295 Unit 40 mL Analytes Select to compare Price on request - + Add to cart All product details
500 mg/L C from NIST KHP - 125 mL Item no. ERA-13296 Unit 125 mL Analytes Select to compare Price on request - + Add to cart All product details
500 mg/L C from NIST KHP - 1 L Item no. ERA-13297 Unit 1 L Analytes Select to compare Price on request - + Add to cart All product details
500 mg/L C from NIST KHP - 500 mL Item no. ERA-13298 Unit 500 mL Analytes Select to compare Price on request - + Add to cart All product details
1000 mg/L C from NIST KHP - 500 mL Item no. ERA-13299 Unit 500 mL 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
TOC Calibration Blank - PAT 700 Item no. ERA-13301 Unit Each Analytes Select to compare Price on request - + Add to cart All product details
TT 1000 mg/L C from NIST KHP - 125 mL Item no. ERA-13305 Unit 125 mL 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