When The Size Makes The Poison
You’ve heard the saying ‘the dose makes the poison’, and it’s true – the concentration of a toxic substance makes the difference between being at or below the ‘no observable effect concentration/level (NOEC or NOEL) and death. But concentration isn’t the only factor when you’re looking at certain hazardous materials. Respirable crystalline silica (RCS), which is listed by the International Agency for […]
Asbestos and Other Types of Fibres
A rose by any other name…. The difference between biosoluble and bioinsoluble fibrous minerals. Image 1: Halotrichite Image 2: Actinolite We’ve all seen fibres – they are everywhere. Cotton strings off cloth, fibreglass, carbon fibre. But there’s one word that makes everyone jump to attention. Asbestos. What’s actually the difference between asbestos and other types […]
FTIR Microscopy
Speciating contaminants in everyday products, from food and beverages to crime scenes, from building materials to aviation fuel, understanding the composition of errant particles is key to determining the source and solving the reason they ended up in places they weren’t meant to be! Microanalysis Australia is keen to announce the addition of an FTIR […]
ACA and SCAA Laboratory Tour
On Wednesday 1st November, Microanalysis held a special information evening for the Australasian Corrosion Association (ACA) and Surface Coating Association Australia (SCAA) professional associations. Pulling everyone away from the tasty nibbles and drinks, the 12 members had a guided tour of the Laboratory to learn a little of what Microanalysis Australia is up to in […]
Energy Dispersive X-ray Spectrometry for Determining Chloride Concentration Profiles in Concrete
Liam Holloway1 and Nimue Pendragon2 1Principal Engineer, MEnD Consulting 2Lead Consulting Scientist, Microanalysis Australia Abstract: Assessing the condition or durability performance of existing reinforced concrete infrastructure can involve a broad range of investigation techniques. Investigations during the life of the structure can be used to inform the asset management process. A typical test reg […]
