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In Honor of World Water Day!
Water and Environmental Testing
In honor of World Water Day, I challenge you to use significantly less water on March 22, than you use on a regular basis.
What is the difference between an Internal Standard and Surrogate?
Water and Environmental Testing
A surrogate is an analyte added to a sample prior to extraction. An internal standard is used to measure the relative responses of analytes ...
The Importance of Quality Control on Lab Solvents & SPE Consumables
Water and Environmental Testing
Lab solvents and SPE consumables used in the lab should be quality controlled and monitored for contaminants routinely.
Why Concentrate Down to 1 mL End Point? Can you go down to 0.5 mL?
Water and Environmental Testing
When working with regulated environmental methods, why are all these extracts concentrated down to one milliliter (mL) final volume?
What to know when transitioning from EPA method 525.2 to 525.3
Water and Environmental Testing
If your lab is fast-tracking towards implementing EPA Method 525.3 then there are a few changes that you must be aware of. See our latest ...
The Problem of PFAS – Background
Water and Environmental Testing
The Problem of PFAS, read more on the background.
The Problem of PFAS: Part 2 - Top Regulations
Water and Environmental Testing
Today’s post covers three of the top sample prep methods being used for PFAS testing in water US EPA Method 537.1, US EPA Method 533, and ...
Do updated water testing methods result in safer produce?
Water and Environmental Testing
Many of the pesticides that were used decades ago have now been banned, due to their known impact on the health of animals and humans.
The Problem of PFAS: Part 3 - Which PFAS Method is Right for Me?
Water and Environmental Testing
There are more PFAS compounds being discovered every day, it is important your lab stays up to date with regulations.
Reducing the Headache of Challenging Emulsions
Water and Environmental Testing
Emulsions can be challenging to break up. When working with a method with challenging emulsions, I turn to solid phase extraction (SPE).
