Why Concentrate Down to 1 mL End Point? Can you go down to 0.5 mL?
April 29, 2021 at 3:00 PM / by Michael Ebitson posted in SPE solid phase extraction, Sample preparation, tech tips, EPA Method, Drying, application, evaporation systems, lower volume samples
The Importance of Quality Control on Lab Solvents & SPE Consumables
April 22, 2021 at 5:00 PM / by Deanna Bissonnette posted in SPE solid phase extraction, epa method 525.2, epa method 525.3, quality control, spe consumables
Ever wonder if you need to perform quality control (QC) on solvents and solid phase extraction (SPE) consumables? Well, the answer is yes! You want to make sure that your disks and solvents are good to go before running real-life samples and risk losing that sample. Not only that, but QC samples also help to identify any background in your lab's extraction procedures.
What is the difference between an Internal Standard and Surrogate?
April 1, 2021 at 1:00 PM / by Michael Ebitson posted in epa method 525.2, water extractions, Internal Standard, Surrogate