Nelson-Jameson offers food safety products and solutions that help the food and beverage industries protect the quality of their products by utilizing proven, methods-based laboratory procedures. Learn more below about our extensive line of laboratory and QA/QC products, and tools you can use to meet your unique sampling and testing needs.

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Hydrating 3M™ Petrifilm™ Plates

When preparing 3M Petrifilm for use in your environmental monitoring program there are different hydration methods to follow, depending on the test and the context in which it is used. For air or direct contact procedures where Aerobic Count,...

Listeria Prevention

What is Listeria? Listeria monocytogenes (CDC) The Centers for Disease Control estimates "approximately 1600 illnesses and 260 deaths due to listeriosis [infection caused by listeria] occur annually in the United States." Even though responsible for...

Chloride Analyzer Instructional Videos

Chloride Analyzer Instructional Videos The Nelson-Jameson M926 Chloride Analyzer can be a vital tool in your "laboratory tool box" for precisely measuring chloride and salt content in a variety of foods and other products. Watch the videos below...

Diagnosing Foodborne Diseases

Confirming a Diagnosis of Foodborne Illness Both consumers and food industry interests benefit from being fully informed about the true nature of foodborne illnesses. The complex realities of foodborne illnesses demand that formal medical insight...

pH Analysis Guidelines & Practices

Accurate pH analysis is critical in Food Processing areas and Laboratory settings. Small variances may impact food quality, safety, shelf-life, flavor, and consistency. All pH electrodes should be calibrated to pH meters with fresh, unused calibration...

pH Electrode Conditioning

Many pH electrodes are shipped with the electrodes moist. Prior to using your electrode for the first time it needs to be conditioned. While it is always best to refer to the manufacturer instructions for proper electrode conditioning, below are...

pH Electrode Tips

pH Electrode Tips for Successful Analysis Upon original receipt, inspect for damage in shipping or any visible defects. Initiate first use procedure per manufacturer's instructions. Perform a calibration, check electrode slope (if required), and...

pH Electrode Selection Guide

With hundreds of uses, selecting the right pH electrode can be a challenge. Use this helpful selection guide to be sure you are ordering the appropriate electrode for your application. Oakton®/Pinnacle Electrodes Gel Filled vs. Refillable ...

pH Testing Tips

Pick the right meter.  A pH meter with more than minimum requirements may be the better option. Product requirements and regulations change with time. Meters with advanced features will allow for a wider range of testing and documentation of ...

Delvotest Antibiotic Residue Testing

Shop Delvotest CLICK HERE TO VISIT OUR DELVOTEST WEBPAGE! For everyone in the dairy value chain, the thought of milk contamination is simply unthinkable. We know that for farmers and their families, competition is tough and professionalization ...

Reuniting Separated Thermometers

Mercury Columns The largest single cause for the failure of precision thermometers in the lab is due to separated mercury columns. This can occur in transit or in the lab. The life of the instrument can be greatly extended if the following procedures...

Laboratory Reagents Safety

Nelson-Jameson has the largest collection of reagents assembled exclusively for food and dairy testing laboratories. Reagent chemicals should be handled only by qualified individuals trained in laboratory procedures and familiar with their potential...

Terminology

Laboratory & QA/QC Terminology ACS: American Chemical SocietyANSI: American National Standards InstituteAOAC: Association of Official Analytical ChemistsAPHA: American Public Health AssociationATC: Automatic Temperature Compensation ATP:...

Nelson-Jameson pH Buffers

Nelson-Jameson has our own line of high-quality, low-cost branded pH buffers. Reference buffers are available in pH 4.01, 5.00, 7.00, and 10.01, and are manufactured for utmost accuracy and repeatability. They are color-coded for ease of use...

Water Activity Resources

Industry-Leading Water Safety Devices Maximize the quality of water in your products by effectively measuring water activity. Water can cause many expensive problems—microbial growth, mold, loss of texture, caking and clumping, rancidity, a...

NIST Traceable Calibration Certificate Vs. Certificate of Accuracy

NIST Traceable Calibration Certificate Certified reference thermometers come with a NIST traceable calibration certificate. These thermometers are known as certified dairy thermometers, factory certified laboratory thermometers, or high-precision...

Thermometer Tips and Tricks

General Thermometer Tips and Tricks Never store a spirit-filled thermometer horizontally. Always store upright in a case or protective stand. If you have a separation in your spirit-filled or mercury thermometer, contact Nelson-Jameson at...