Pigment Articles

The Science of Blood ColorationRoughly 25 trillion red blood cells course through your veins, each one packed with the same pigment. So what pigment makes blood red? It is heme, an iron-containing molecule nestled inside each hemoglobin protein. When iron binds...

The Chemistry Behind Iron-Based ColorantsUnderstanding Oxidation States and Their Role in Shade FormationThe difference between yellow ochre and red iron oxide is one electron. That electron's presence or absence is the oxidation state, the core of every pigment with...

Understanding Melanin and Its Role in NatureTypes of Melanin in Living OrganismsThe pigment melanin is nature's most versatile coloring agent, appearing in everything from fungal spores to the feathers of birds of paradise. This complex polymer does more than create...

Key Factors Behind Pigment 6 Cost VariationsPigment 6 price varies with purity and supplier. Market rates depend on raw material costs. Buyers often compare quotes from multiple sources. The pigment is used in industrial coatings and plastics. Volume discounts apply...

Understanding the DisorderDefining the ConditionEvery blink sends a cascade through the eye, but for some people it also liberates microscopic pigment granules that will eventually threaten vision. That is the mechanical heart of pigment glaucoma, a secondary...

What Makes These Drawing and Painting Tools UniqueComposition and ConsistencyEvery year, artists discard hundreds of half-used paint tubes simply because the medium oxidized or separated. Pigment sticks bypass that loss entirely. Their composition relies on a high...