Measuring Low Levels of Sulfide
Our Lead Acetate test papers are typically used to detect the presence of sulfide in water concentrations as low as 5ppm. However, as is often the case, some customers find other ways to use our [...]
Temperature Effects on pH Test Strips
Customer questions are the best because they come from real-world applications and actual experiences using our products. Here’s the question and answer of the day: “We are performing a washout procedure. Samples of the wash [...]
Free Chlorine VS Total Chlorine
We often get asked by customers or end users if our chlorine test strips measure free chlorine. There is sometimes confusion between the terms free chlorine and total chlorine and what they mean. This is [...]
Summer Science
As we near the end of August, we want to take full advantage of our last days of summer. That means hitting the beach, the park, the splash pad, cooling off in the pool… You [...]
Kimchi Fermentation Chemical Changes Experiment
What is Kimchi? Kimchi is a staple Korean food, traditionally a side dish made from salted and fermented vegetables, such as napa cabbage and Korean radishes, with a variety of seasonings, including chili powder, scallions, [...]
Acidity of Orange Juice
Who doesn’t love a cold glass of orange juice in the morning? Whatever your preference, pulp or no pulp, low calorie or full on sugar, everyone loves OJ. So we thought, why not do an [...]
Meet Our Team: Rosa Garcia
Meet Rosa Garcia, the newest member of our production team. When hiring, we often put the call out internally first. Rosa is an acquaintance of a couple of our production team members and came highly [...]
pH Effects on Apple Slices
Today’s experiment is fun and useful, the perfect combination, so let’s jump right in! Biting into a whole apple can be hard on your teeth and isn’t as enjoyable as eating a fresh apple slice. [...]
Science Fair Experiment: Water Quality Testing
The U.S. Geological Survey is fantastic resource for water quality information, definitions, experiments and data. We look to their extensive knowledge base when it comes to water quality properties. USGS defines water quality as “a [...]
Saliva pH Experiment
First, let us start by saying this experiment is meant to be a fun way for kids to learn about acids and bases. Precision Laboratories products are not approved for use as medical devices. Products [...]