Water analysis is a hot topic in our eco-friendly world, and the truth is that water contamination is of central importance to environmental safety. Not only is UV-VIS spectroscopy an affordable method of water analysis, but it also has many applications in the world of environmental science. Compared with other methods of spectrophotometry, UV-VIS spectroscopy […]
In some transparent liquids, colorlessness is king and manufacturers rely on the APHA/Pt-Co/Hazen color scale to ensure both chemical purity and aesthetic appeal of colorless and near colorless liquids. Other transparent liquids, however, have different color properties, either by nature or by design, that require a separate, specialized color measurement scale for yellowness beyond that offered by […]
Global health has long been a concern for many and as healthcare expands its boundaries, spectrophotometry continues to play an active role in effective medical aid around the world. Spectrophotometry can “provide a platform for diagnosing bilirubin, hemoglobin, and glucose in the serum of the blood. These three tests were determined the most useful in the […]
The APHA/Pt-Co/Hazen and Gardner visual color scales were both originally based on liquid chloroplatinate color standards but have different history and intended use.
“APHA” stands for American Public Health Association Color Scale, the organization responsible for the original definition and implementation of this visual color scale as a standard method for rating water quality.
Summer is just around the corner, and the longer days and warmer weather are drawing people outside for some much-anticipated sunshine. Evidence of sunny weather is popping up at local drug stores and supermarkets, where sunscreen has once again permeated the shelves, reminding people of the importance of skin protection. Sunscreen undergoes various stages […]
Spectrophotometer vs. Colorimeter: What’s the Difference? Color surrounds us every moment of our lives and affects our emotions, behaviors and beliefs in large and small, conscious and unconscious ways. Color can set a mood, warn us of danger, give us critical information and even bring us joy. Despite the universal presence of color, describing it remains […]
Everyone warned me when I painted my kitchen red that it would be a nightmare if I ever wanted to change colors, and eleven years later I am learning just how hard it is to brighten things up. In order to avoid buying several gallons of paint for one wall and repeating the vicious cycle […]
For centuries, cosmetics have been used to enhance a person’s appearance and to improve the quality of their skin. Today’s cosmetics market is an international superpower, offering an overwhelming variety of options. When faced with all those options, consumers using the quality and safety of a product to dictate their spending. Chemical analysis is […]