Specialist supplier of scientific water analysis, beverage and laboratory test equipment

Measuring the Salinity of Water

Written by Janice M on . Posted in Technical Tips

Measuring the salinity or the dissolved salt content of water is important as aquatic organisms, livestock, and crops thrive at different salinity levels. Freshwater has a salinity value of less than 0.5 ppt while seawater has an average salinity of 35 ppt. Introduction Salinity is the measure of the amount of dissolved salts in water. …

Determination of pH in Non-aqueous Solutions

Written by Janice M on . Posted in Technical Tips

A simple extraction procedure using water is recommended for measuring the pH of non-aqueous solutions containing water-immiscible solvents. Water is added and mixed thoroughly with the sample. After reaching equilibrium, the solvent phase is separated and the pH of the water phase is then measured. Introduction 1. Solvents Liquids can serve as solvents to dissolve …

5-Minute Bacteria in Water Test – Carbotect™

Written by Janice M on . Posted in Water & Environmental

NEW, award-winning technology! Simple, low-cost test to detect organic materials associated with microbial bacteria in water. Carbotect™ is a basic, water quality test that can be used by any worker. It will provide an immediate answer to the question, “Is this water or equipment safe to use right now? No special skills, electricity or capital …

Pasteurization Options for Food / Beverage Industries

Written by Janice M on . Posted in Food & Beverage

What is the Pasteurization Process? Pasteurization is named after the French scientist Louis Pasteur, who found that the process of heating wine in the 1880s would inactivate bacteria / pathogens that caused spoilage.   The pasteurization process was primarily associated with milk, but is now used to extend the shelf life of most beverages, including …

New Hire2Own option available for Selectech scientific testing equipment

Written by Janice M on . Posted in Agriculture & Soil, Laboratory Equipment, Water & Environmental

Don’t have the capital finance available to invest in quality water testing or laboratory equipment? Selectech now offers you a cost-effective option to hire equipment with the goal of owning the equipment in a 12 or 24-month period. The equipment will be delivered fully calibrated (with a calibration certificate, if appropriate to the instrument). Call-out …

A quick and environmentally friendly method for washing of fruit and vegetables – Ozone

Written by Janice M on . Posted in Food & Beverage

Consumers and regulators are concerned about the safety of fruits, vegetables, salad and other ready-to-eat products. This includes preventing contamination from both pathogens and chemical contaminants. In South Africa, chlorine is often used to disinfect the wash water for salads. The use of chlorine can lead to contamination of the product with chlorinated chemicals. As …

Application: Determination of Sodium and Salt Content in Food Samples

Written by Janice M on . Posted in Food & Beverage

Learn why and how food manufacturers need to measure the sodium (Na+) and salt (NaCl) content in food samples. Why we need to measure and control sodium content in food products: High dietary sodium intake increases the likelihood of developing high blood pressure and heart disease In 2010, 1 out of every 10 cardiovascular deaths …

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