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

How to Safely Reuse Frying Oil (and keep your customers happy)

Written by Janice M on . Posted in Food & Beverage, Technical Tips

Fried foods are definitely one of the most popular items on the South African food service menu. Unfortunately, the frying oil is often so old / overheated that it has become degraded and dangerous to health, according to research conducted by the Dept of Health. Dangers of using old, degraded Frying Oil: Poor quality product …

How NOT to Corrode a Boiler

Written by Janice M on . Posted in Technical Tips

A boiler is a closed container in which water under pressure is transformed into through the application of heat. This steam is then used to provide energy for heating and processes in a factory. The combination of water, heat and a mix of various substances in the water can create a corrosive and potentially explosive …

The Use of Starch in Paper and Adhesive Manufacturing

Written by Janice M on . Posted in Technical Tips

Application Notes: 1. The Use of Starch Starch is widely used in paper manufacturing for applications such as bonding, surface coatings and cardboard adhesives. During production and quality control, the concentration of starch is commonly measured, usually with a refractometer, such as the Pal Refractometer.   Hand-held Pal Refractometer Another factor which paper manufacturers are starting to …

Not all DPD 1 Tablets are the same

Written by Janice M on . Posted in Technical Tips

Lovibond® DPD reagents from the Tintometer® Group were developed in accordance with the EN ISO 7393-2 standard and are in perfect accord with its requirements. From the early stages of selecting raw materials through extensive quality control steps and during the production process, we ensure that Lovibond reagents meet the highest requirements possible. When used …

7 Safety Procedures to Follow to Prevent your Centrifuge from flying off the Handle

Written by Janice M on . Posted in Laboratory Equipment, Technical Tips

You do not want broken glass flying at high speed around in your centrifuge or around your laboratory (yes, it does happen. See Centrifuge Explosions), so it is very important to implement safety procedures for centrifuges. Train Each person should understand how to select, load, balance and clean the rotor, sample tubes and centrifuge. These …

4 Questions to Ask Before Choosing a pH Electrode

Written by Janice M on . Posted in Technical Tips

This article helps to explain the properties of various pH electrodes that are available, so that you can select the features that will suit your application. 1. Glass or Plastic Body? Glass body better for corrosive materials or solvents. Withstands temperature above 100°C, more accurate and is easier to clean, but breaks more easily. Blue …

4 Tips for getting Accurate Measurements when testing Phosphates in Water

Written by Janice M on . Posted in Technical Tips, Water & Environmental

In order to get accurate measurements when testing phosphates, extra care needs to be taken with the preparation of cells / cuvettes. A number of tablet reagents used for other tests, eg DPD tablets, contain phosphates. Some tap water also contains phosphates. This makes it important to: Not use cells / cuvettes that have just …

How to make your pH Electrode last longer

Written by Janice M on . Posted in Technical Tips

The pH electrode is the most sensitive part of your pH instrument and requires special care to perform well, in the same way a car needs to be maintained to give you efficient performance and reliable service. pH electrodes are electro-chemical sensors and generate a voltage output. They are are similar to a battery and …

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