Blogs
Where to find pre-soiled and stained fabrics for laundry and cleaning testing
Posted on by Ken Phillips
Humans wear clothes and clothes require cleaning. There are basically three themes related to the removal of soil and stains. Ken PhillipsMr. Philips has spent the last 30 years in product development and management, technical sales, marketing, and business development in several industries. Today, he is the global market development manager for HunterLab, focused on […]
Is the color of beer related to the color of the distillers grain?
Posted on by Ken Phillips
HunterLab has worked on an application for whole grain barley. This whole grain barley is used in making beer. The color of the final liquid beer product is related to the color of the grain used to make it. Ken PhillipsMr. Philips has spent the last 30 years in product development and management, technical sales, […]
Do you have a source for a Sample Conditioning Cabinet for Heat and Humidity?
Posted on by Ken Phillips
FAQ: “… I just need to find a way to better condition the samples for consistency. I can get some pretty consistent results on my own, but once it’s in a general QC lab, it’s going to need some standardization.” Ken PhillipsMr. Philips has spent the last 30 years in product development and management, technical sales, […]
Conformance summary of how HunterLab sphere instruments measure ASTM D1003 Transmission Haze
Posted on by Ken Phillips
Ken PhillipsMr. Philips has spent the last 30 years in product development and management, technical sales, marketing, and business development in several industries. Today, he is the global market development manager for HunterLab, focused on understanding customer needs, providing appropriate solutions and education, and helping to solve customer color challenges across these industries and cultures.
Instrument Geometry – Directional 45°/0° or Diffuse d/8° Sphere?
Posted on by Ken Phillips
The geometry of an instrument is the relative position of the light source, sample plane and detector, and is one of the 6 key parameters that define a color measurement. There are two general categories of instrument geometries – directional 45°/0°(or 45°/0°) and diffuse d/8° sphere. To tell the difference between directional and diffuse instrument geometries, look […]
What Tomato Tiles are available as Hitch standards?
Posted on by Ken Phillips
There are two Tomato Tiles in general use – the European BCR-400 Tomato Tile and the American USDA/UCDavis Tomato Tile. Both are “tomato red” in color but visually different. Ken PhillipsMr. Philips has spent the last 30 years in product development and management, technical sales, marketing, and business development in several industries. Today, he is the global […]
How do I measure a very dark chromatic sample in Transmittance?
Posted on by Ken Phillips
FAQ: “How do I measure a very chromatic and dark sample in transmittance? Is there a smaller path length cell that I can use for my dark chromatic sample? It currently does not transmit much signal through my 10mm cell.” Yes, HunterLab does offer a smaller 2mm path length top loading cell for very dark […]
What scale is used to measure the color of waste water?
Posted on by Ken Phillips
“True Color”, “Apparent Color”, “Adams-Nickerson”, “Biodegradable Colour” are all the same name for what we call ADMI Color (American Dye Manufacturer’s Institute). Ken PhillipsMr. Philips has spent the last 30 years in product development and management, technical sales, marketing, and business development in several industries. Today, he is the global market development manager for HunterLab, […]
References for Hazen Color Scale
Posted on by Ken Phillips
The original references were written by Allen Hazen, a chemist who first defined APHA/Pt-Co/Hazen color scale for the evaluation of water quality on behalf of the American Public Health Association: Hazen, A. A new color standard for natural waters, American Chemist Journal (14:300), 1892. Hazen, A. The measurement of the colors of natural waters, American […]
How do I measure “clear and colorless” Surfactants?
Posted on by Ken Phillips
FAQ: “We are in touch with a pharmaceutical company which is looking for a spectrophotometer to measure the color and appearance of cationic surfactants. Can you provide any information on this topic?” Surfactants reduce the surface tension of a liquid as in the use of a dish detergent; the interfacial tensions between two liquids such as in the case of […]
What is the correct light level in lux for a light booth?
Posted on by Ken Phillips
FAQ: “I want to measure the lux level for a light box we are using to evaluate the color of garments. I would like to know, how many light boxes are required for a room. One light box has four D65 tube rods. My question, Is there any standard value of lux which we need […]