Selectech
Testing Laboratories in Roodepoort

Selech supplies water, beverage and laboratory equipment. Selectech can advise you on water / beverage testing, perform repairs and calibrations. We also supply chemicals and various consumables. Products are delivered throughout Africa, via courier.

Specialist supplier of scientific water analysis, beverage and laboratory test equipment. What is the best way to test water quality for your purpose? Biological Indicators Biological monitoring metrics is the simplest and least expensive method. This document is designed to give some background information, advice and guidance about setting thresholds. Many beverage, winery and brewery facilities have experienced the terrible loss of a batch or consumer trust in their product, due to quality problems. Out of necessity, several users found ATP sanitation an ideal method for monitoring HACCP points in real time and thus avoiding future costly mistakes. If you are involved with drinking water quality, turbidity one of the key indicators that is measured and monitored. The term is used to describe the cloudy or milky appearance of a liquid. Indoor air quality within confined rooms can be a breeding ground for micro-organisms, make workers sick and reduce the shelf life of water and food. Unfortunately, most ventilation and heating systems create an attractive environment for undesirable micro-organisms to breed. Has the river water quality improved, stayed the same, or gotten worse since the inception of the project? Do you use the Most Beneficial amount of water treatment chemicals? Even without a drought, South Africa is classified as a water scarce country. We can’t see the oxygen dissolved in water that is essential for aquatic life. Rather, it is a measure of the amount of free oxygen molecules in water. You can make frying oil last longer by using these essential steps to ensure that you retain a good quality, healthy product. Reusing frying oil helps to save money and the environment. How to Safely Reuse Frying Oil (and keep your customers happy) 7 Safety Procedures to Follow to Prevent your Centrifuge from flying off the Handle. Should you use a Comparator (Colorimeter) or a Photometer for Measurement of Water Quality?