Serial dilutions are among the most commonly performed techniques in biology, chemistry, pharmacology, microbiology, and physics laboratories. A serial dilution is essentially a stepwise dilution of a substance in a solution. It is often used…
Indoors, air quality can be monitored for hazardous levels. In schools, office buildings, greenhouses, and anywhere that high levels of carbon dioxide are generated, the Extech Portable Indoor Air Quality CO2 Meter is a good…
What happens to excess or obsolete equipment that sits too long on inventory shelves? For Cole-Parmer, it is converted into college scholarships for students in need. “At least twice a year, we gather our outdated…
Testing Sulfuric Acid Concentration Battery Recycling has contacted you for a way to measure the concentration of their battery acid. The samples are generally warm after use, up to 35°C, and concentrations can be as…