How do I Test for Sulfite in Red Wine?
“Can your Sulfite test strips be used to test acidic foods, such as wine or tomato sauce? How would I use activated charcoal to remove the color from a glass of wine? Is there a [...]
Meet Our Team: Jorge and Anabel Padilla
Meet Jorge and Anabel Padilla, the dynamic duo. These two over-achievers help significantly with test strip production. Anabel has done piece-work for Precision for several years. She started off labeling all of our flats of [...]
Happy Holidays from Precision Laboratories!
‘Twas the night before New Year’s, when all through Precision, We were hustling and bustling in every division. The shelves were stocked to the brim with care, A new year is coming, we must prepare! [...]
Universal pH Test Paper Experiment
Universal pH test paper is a qualitative pH test strip that gives you approximate pH values of a solution. Typically, with Universal pH test strips, you don’t get an exact pH value. Or at least, [...]
Meet Our Team: Federico and Maribel Aguilera
Meet Maribel and Federico Aguilera, the dream team. This husband and wife duo oversees production of all our products. They are exemplary employees to say the least, and they keep production running like a well-oiled [...]
Holiday Chemistry: DIY pH Paper
We’re dreaming of a scientific Christmas, and nothing screams holiday chemistry more than making your own pH paper from a Poinsettia. Yeah, we’re excited, so put on those ugly Christmas sweaters and get in the [...]
Litmus Paper pH Experiments
Litmus paper is a staple of our company. It was the first test paper we made back in 1932, and it’s one we still make today. And trust us when we tell you, we make [...]
Meet Our Team: Karen Christy
Meet Karen Christy, director of all things Precision Europe. Karen has been running Precision Europe since the office opened in 2012, but even before that, she worked for Precision by building its international and specifically, [...]
Blogiversary
Today marks the day of two years of blogging. Let’s take a beat for a minute. Step back and think about that. We have provided you with 104 posts full of scientific, technical, and sometimes, [...]
How Do I Use And Read Your Fluoride Test Strips?
We always love getting good technical questions from our customers that let us know how we can improve our products and further help our customers in understanding our products. We received this urgent request from [...]
Meet Our Team: Scott Steffen
Meet Scott Steffen, chemist and quality assurance director. As you’ve probably gathered by now, every team member at Precision does so much more than just one job. We are all well-versed in several aspects of [...]
Is it Necessary to Perform Positive and Negative Controls with Test Strips?
Today’s question comes from David: “I am wondering what validation protocols you would recommend for your test strip products. Is it necessary to perform positive and negative controls every time a strip is used or [...]











