Environmental Testing Standards

TOC Standard, According to ISO/CEN EN1484, 1,000 mg/L±10 mg/L, MilliporeSigma™ Supelco™

TOC Standard, According to ISO/CEN EN1484, 25 mg/L±2 mg/L, MilliporeSigma™ Supelco™

TOC standard can be used in the analysis of degradation by-products of acetaminophen (ACE) solution during electro-Fenton (EF) oxidation performed on carbon felt.

TOC Standard, According to ISO/CEN EN1484, 500 mg/L±10 mg/L, MilliporeSigma™ Supelco™

Thermo Scientific™ COD (Chemical Oxygen Demand) Calibration Standards for AQUAfast Colorimeters

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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Use these calibration standards to check your colorimeter instrument operations before measuring COD chemistries, for example in environmental and wastewater monitoring.

TraceCERT™ EPA 8270 Nitrosamines Mix, Certified Reference Material, MilliporeSigma™ Supelco™

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to the SI through a primary reference material from a NMI. Certified content incl. uncertainty and expiry date are stated on the enclosed certificate.

MilliporeSigma™ Certipur™ UV/VIS standards

For Qualification of a UV/VIS spectrometer

TOC Standard, According to ISO/CEN EN1484, 50 mg/L±2 mg/L, MilliporeSigma™ Supelco™

COD, 500 mg/L Calibration Standard, Certified Reference Material, MilliporeSigma™ Supelco™

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

TOC Standard, According to ISO/CEN EN1484, 100 mg/L±5 mg/L, MilliporeSigma™ Supelco™

TOC Standard, According to ISO/CEN EN1484, 250 mg/L±5 mg/L, MilliporeSigma™ Supelco™

MilliporeSigma™ Potassium Dichromate Standard Solution Test Kit

Test set for calibrating the absorbance of spectrophotometers

MilliporeSigma™ Certipur™ Refractive Index Standard Kits

Refractive index standards Certipur™ according to Ph Eur.

Acetone, Certified Reference Material, MilliporeSigma™ Supelco™

Pharmaceutical secondary standard for application in quality control. Provides pharma laboratories and manufacturers with a convenient, and cost-effective alternative to the preparation of in-house working standards.

Inorganic Carbon Standard, 25 ppm C, Ricca Chemical

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Small and/or specialty supplier based on Federal laws and SBA requirements.
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CAS: 144-55-8 Molecular Formula: CHNaO3 Molecular Weight (g/mol): 84.01 MDL Number: MFCD00003528 InChI Key: UIIMBOGNXHQVGW-UHFFFAOYSA-M PubChem CID: 516892 ChEBI: CHEBI:32139 IUPAC Name: sodium hydrogen carbonate SMILES: [Na+].OC([O-])=O

Laboratory Performance Check Standard without Mercury For Environmental Analysis, SPEX CertiPrep™

Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
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ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material