Product Comparisons & Evaluations

A number of product evaluations and comparisons are listed below, produced both internally and by independent third parties, to show the efficacy of CHEMetrics test kits.

Chemical Oxygen Demand (COD)

Hach vs CHEMetrics COD Vial QC Performance Data Report

This Quality Control Report was produced in house at CHEMetrics and compared both 0-150 ppm and 0-1,500ppm COD reagent vials, from CHEMetrics and Hach, using a Spectronic 21 spectrophotometer and a Hach DR-2010 Spectrophotometer, and showed equivalent performance. This data was submitted to the USEPA as part of CHEMetrics application for acceptance for USEPA approved Hach Method 8000 for NPDES compliance reporting, which was confirmed by the USEPA in January 2001. For more information, please see the Chemical Oxygen Demand Test System page.

Hydrogen Peroxide

CHEMetrics® Hydrogen Peroxide Self-filling Ampoules vs Test Strips

This CHEMetrics Report examines statistical data from 2018 for 2 CHEMetrics Hydrogen Peroxide Test Kits, CHEMets® K-5510 Visual Test Kit and K-5543 Vacu-vials® Photometric Test Kit, and EMD Millipore's MQuant™ Test Strips (Part No. 110011). The K-5543 was measured using 2 CHEMetrics photometers, I-2016 Dedicated Photometer (SAM) and V-2000 Multi-Analyte Phometer. 4 H2O2 standard concentrations were measured, 0, 0.15, 0.25 and 0.50 ppm. Whilst the CHEMetrics kits were able to distinguish concentrations in 0.05 ppm increments and an accuracy of ± 0.02 ppm respectively, MQuant™ Test Strips had only 2 pale colour intervals between 0 & 0.5 ppm, and whilst it was possible to distinguish between 0, 0.25 and 0.5 ppm, colour development was barely perceptible at 0.15ppm.

Ozone

CHEMetrics, Inc. Indigo Ozone Vacu-vials® Kit: Performance Report

This CHEMetrics Report examines statistical data from 2014 for the CHEMetrics K-7433 Ozone Indigo Test Kit, measured using both a CHEMetrics I-2022 dedicated photometer and a Hach DR3900 Spectrophotometer; and compares these to equivalent results obtained from a Hach Indigo Ozone AccuVac Ampoules 2517025 on the Hach DR3900. Both kits measure 0 - 0.75 mg/l (ppm) O3. Calibration verification data for the CHEMetrics I-2022 SAM using a Lambda 25 UV/Visibile Spectrophotometer. For more information on the CHEMetrics Ozone Indigo Test Kit, please , please click here.

CHEMetrics, Inc. Indigo Ozone Vacu-vials® for Low Range Measurement: Comparative Performance Study

This CHEMetrics document outlines 2 separate studies performed in 2016, and is a supplement to the above Ozone Indigo Performance Report. The comparative performance study examines statistical data for the CHEMetrics K-7433 Ozone Indigo Test Kit, measured using a CHEMetrics I-2022 dedicated photometer and Hach DR2800 and DR3900 Spectrophotometers; and compares these to equivalent results obtained from a Hach Indigo Ozone AccuVac Ampoules 2517025 using the same two Hach Spectrophotometers. Both kits measure 0 - 0.75 mg/l (ppm) O3. For more information on the CHEMetrics Ozone Indigo Test Kit, please click here.

Total Petroleum Hydrocarbons (TPH) in Soil

USEPA Innovative Technology Verification Report: Field Measurement Technologies for Total Petroleum Hydrocarbons in Soil

The CHEMetrics RemediAid™ Test Kit has been evaluated by the USEPA SITE (ETV) Program. This USEPA report states that the RemediAid™ kit is a reliable field measurement device for TPH in soil. In addition, it cites good accuracy, good precision, lack of sensitivity to non-PHC interferents, high sample throughput, low measurement costs, and ease of use. This Test Kit has now been discontinued.


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