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Archive for July, 2015

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 …

Let Science help to Quantify Coffee Quality

Written by Janice M on . Posted in Food & Beverage

Are you disagreeing or struggling to decide on the flavour of different coffee samples? You can now measure the brix / concentration of coffee with the new PAL-Coffee. This allows you to express and control the acidity and bitterness. Coffee fans the world over are in search of the “perfect cup”. One of the important …

Why You Should Use a Refractometer to Control Salt Content in the Food Industry

Written by Janice M on . Posted in Food & Beverage

There is a great focus on measuring salt in the food industry in South Africa. Health Minister Aaron Motsoaledi signed legislation in 2013 to reduce salt in the food industry, mainly because South Africans have one of the highest rates of hypertension worldwide. How Much Salt is Enough? Many food products, especially bread, margarine, soup …

Soil Sampling with the SAM-1™ Smart Spear tip pH Sensor

Written by Janice M on . Posted in Agriculture & Soil

The S175CD/SAM Spear Tip electrodeis great for the pH soil application. The sensor’s epoxy body is robust and virtually unbreakable. With its spear shaped tip, it has the ability to penetrate through semi-solid objects such as meat, sausage, cheese, and soil. The electrode is also built with a double junction reference which will ensure protection …

Essential Tips when using a Moisture Analyser

Written by Janice M on . Posted in Food & Beverage

Essential tips for using a Moisture analyser to calculate the moisture content of different substances. Substances / chemicals that CANNOT be tested with a Moisture Analyser: Substances that are explosive, flammable or poisonous fume emitting when heated A substance with a surface that gets dried first and forms a membrane can produce internal pressure that …

Moisture Analysers in Industry

Written by Janice M on . Posted in Laboratory Equipment

What is the purpose of a Moisture Analyser? A Moisture Analyser is used to measure the moisture content of materials for research, shelf life or production. Water is present in varying amounts in most products and it is often useful to control the amount of moisture present, as the amount of moisture can give a …

5 Handy Tips for Accurate Weighing

Written by Janice M on . Posted in Laboratory Equipment

An accurate weighing system can have a real impact on stock and quality control, because you are able to use exactly the right amount to make every single product. Little things can add up and make a big difference! Placement of the Balance: Place the balance on a stable level table or countertop away from …

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