Environmental Testing Standards

Total Organic Carbon (TOC), standard solution, Specpure™ 1000μg/mL

KHC₈H₄O₄ in H₂O

Fisher Scientific Edge
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Total Organic Carbon Standard, Reagecon™

SureTRACE
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COD Standard Solution, 1000mg/L, Reagecon™

SureTRACE
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EPA Method 1631, 8 oz Amber Glass, 12/cs, Dr. Ehrenstorfer

Discover Dr. Ehrenstorfer’s certified reference materials: available in multiple formats, including multi-component regulatory mixtures, to power your food and environmental analysis with traceable, ISO-accredited quality

Acetonitrile, for HPLC-MS

CAS: 75-05-8 Formula molecolare: C2H3N Numero MDL: 1878 InChI Key: WEVYAHXRMPXWCK-UHFFFAOYSA-N PubChem CID: 6342 ChEBI: CHEBI:38472 IUPAC Name: acetonitrile SMILES: CC#N

Lovibond™ Primary Chlorine Standard Kit for Colorimeters, Cole-Parmer™

Validate the calibration and accuracy of your instrument

Fisherbrand™ TOC Standard Solution 10 mg/L

Known-carbon reference solutions used to calibrate TOC analyzers, ensuring accurate measurement of organic carbon in water samples.

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

Use these calibration standards to check your colorimeter instrument operations before measuring COD chemistries, for example in environmental and wastewater monitoring.

Decachlorobiphenyl, SPEX CertiPrep™

5000 ppm Chemical Oxygen Demand Standard, Reagecon

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Can be used to calibrate, control, verify or validate all COD test methods.

COD Standard Solution, 100mg/L, WTW™

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Perfluoropentanesulfonic acid 100 μg/mL in Methanol:Water, Dr. Ehrenstorfer

Discover Dr. Ehrenstorfer’s certified reference materials: available in multiple formats, including multi-component regulatory mixtures, to power your food and environmental analysis with traceable, ISO-accredited quality

Trihalomethanes, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

COD calibration standard 600mg/L NIST traceable, Reagecon™

EU 2023/915 Food Testing PFAS-4 Mixture (PFOA, PFOS, PFNA, PFHxS) 1 μg/mL in Methanol:Water, Dr. Ehrenstorfer

Discover Dr. Ehrenstorfer’s certified reference materials: available in multiple formats, including multi-component regulatory mixtures, to power your food and environmental analysis with traceable, ISO-accredited quality