Turbidity Standards and Total Organic Carbon (TOC) Consumables for Drinking Water

Ensure Reliable Water Analyses

In addition to Proficiency Testing, ERA also offers standards and consumables for drinking water testing. Turbidity and total organic carbon (TOC) are two key indicators in the measurement of water quality. Whether it is environmental testing or municipal drinking water testing, accurate measurement of turbidity and TOC help ensure compliance with government regulations and are essential components of water treatment.If you need to test for turbidity or TOC, ERA can help.

Turbidity Standards

ERA offers Formazin Turbidity Standards that are designed specifically for drinking water filtration, monitoring applications.What makes ERA’s turbidity standards unique?

  • NIST traceability
    • Metrological traceability through unbroken chain of calibrations
  • Certificate of Analysis
    • ISO Guide 31:2015 compliant
  • Higher quality offering
    • ISO 17034 Certified Reference Materials
    • Manufactured in a ISO 9001 and ISO 17025 laboratory
  • Immediate delivery available
  • Custom product capabilities to meet your specific needs
Product Description Catalog Number Price
20 NTU Stabilized Tubidity Cal — 1 L 14510 $129
4000 NTU Formazin Turbidity Std — 500 mL 14500 $57

Buy One Get One*


  • Buy one 20 NTU Stabilized Turbidity Calibration and get one free.
  • Buy one 4000 NTU Formazin Turbidity Standard and get one for free.

    • *For a limited time only. Offer valid for Catalog Numbers 14510 and 14500 and cannot be combined with any other offer. Mention offer code PUREWATER2019 at time of order placement.

TOC Consumables

TOC and conductivity CRMs, as well as, other instrument consumables for your water analyses.

  • ISO 17034 accredited calibration kits
  • Same day shipments (for most products)
Product Description Catalog Number Price
Model 900/5310 C Service Kit (includes one of each: 20045, 20060, and 20075) 20095 $660
Replacement UV Lamp for Sievers TOC Instruments (various models) 20045 $293
Replacement Pump Tubing for Sievers TOC Instruments (models 900 and 5310 C) 20060 $39
Replacement Resin Bed for Sievers TOC Instruments (models 900 and 5310 C — not M Series) 20075 $401
Replacement Sievers Acid Reagent Cartridge — 150 mL 21010 $215
Replacement Sievers Acid Reagent Cartridge — 300 mL 21001 $319
Replacement Sievers Ammonium Persulfate Cartridge — 150 mL 21015 $215
Replacement Sievers Ammonium Persulfate Cartridge — 300 mL 21006 $319