Resources

Reverse Osmosis is a technology that is used to remove a large majority of contaminants from water by pushing the water under pressure through a semi-permeable membrane. How does reverse osmosis work? Reverse Osmosis works by using pressure on the feed side of the RO which forces the water across the semi-permeable RO membrane, leaving […]

A common problem labs have is that the filter housing (bowl) gets tightened too much when the Ion-Ex or 1 Micron filters are changed and the next time they need to be replaced it seems like it is impossible to loosen it. When doing up the bowl make sure the O-ring is in place and […]

Any organic molecule you break down you will find carbon in. Total organic carbons (TOC) is the amount of carbon found in an organic compound and can be used a indicator of water purity. Water also has inorganic carbon (IC) but IC is not included in the TOC measurement. (TOC = TC – IC) How does does TOC affect me […]

ASTM D1193 (Types I–IV) Parameter Type I* Type II** Type III*** Type IV Conductivity (μS/cm) at 25oC, max 0.056 1.0 0.25 5.0 Resistivity (MΩ-cm) at 25oC, max 18.0 1.0 4.0 0.2 pH at 25oC – – – 5.0–8.0 TOC (μg/l), max 50 50 200 No limit Sodium (μg/l), max 1 5 10 50 Silica (μg/l), […]

A brief update from Purific industries. Buchanans Group Pty Ltd has recently completed the acquisition of Purific Industries with the purpose to continue its reliable service to pathology laboratories nationally and ensure its growth in the future. Founder John Atkinson is staying on as a vital member of the team. Having many years of experience […]