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How is ASTM D1003 Transmission Haze measured at levels > 30%?

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Measuring the Color of Clear Liquids

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Do you know of an independent test lab that can measure APHA/Pt-Co/Hazen Color?

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Do you have a source for liquid Saybolt and ASTM D1500 Color Standards?

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How do you measure the color of bare metal materials?

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Diffuse Sphere Instruments

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When do I use Specular Exclusion in Color Measurement?

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How is ASTM D1003 Transmission Haze measured at levels > 30%?

Posted on June 13, 2014 by Ken Phillips

FAQ: “We have a scientist here who is looking at films containing small bubbles and attempting to do measure them by measuring Haze% on a HunterLab spectrophotometer. I suspect her problem in obtaining numbers that “make sense” from what you get from just eyeballing the samples (and trying to look through them at the outlines […]

Posted in Chemical, Pharmaceuticals, Plastic, UltraScan PRO, UltraScan VIS Tagged ASTM D1003, CMR-2760 set, haze standards Leave a comment

Measuring the Color of Clear Liquids

Posted on June 13, 2014 by Ken Phillips

One application that often comes up is measuring the color of clean liquids such as the fragrance sample seen above. This liquid fragrances is clear and looks almost like water. Fragrances such as this are often added to cleaning supplies, air fresheners, or other consumer products. One of the problems that this type of sample […]

Posted in Chemical, Pharmaceuticals, UltraScan PRO, UltraScan VIS, Uncategorized Tagged clear, liquid Leave a comment

Do you know of an independent test lab that can measure APHA/Pt-Co/Hazen Color?

Posted on June 6, 2014 by Ken Phillips

Contact the following and ask for “APHA/Pt-Co/Hazen Color testing per ASTM D1209 and D5386″. 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 […]

Posted in Chemical, Pharmaceuticals, Plastic, UltraScan PRO, UltraScan VIS Tagged APHA, cell path length, Hazen, Platinum Cobalt, Pt-Co, PtCo, test lab Leave a comment

Do you have a source for liquid Saybolt and ASTM D1500 Color Standards?

Posted on May 27, 2014 by Ken Phillips

These liquid visual color standards can be used as an independent test to verify instrumental Saybolt and ASTM D1500 Color measurement performance over time for these two visual color scales used to evaluate oil, oil additive and petrochemical color quality. Ken PhillipsMr. Philips has spent the last 30 years in product development and management, technical […]

Posted in Chemical, UltraScan PRO, UltraScan VIS Tagged ASTM, ASTM Color, ASTM D1500, D1500, D1500 Color, liquid standards, Saybolt Saybolt Color, source, STM D1500 Color 1 Comment

How do you measure the color of bare metal materials?

Posted on May 27, 2014 by Ken Phillips

Bare metals are classified as opaque metals and do not allow any light to pass through them. In opaque metals, the specular reflection and diffuse reflection are key to defining the light interaction of this unique sample type. For bare metals both color and gloss are seen in the specular reflection which makes up a […]

Posted in UltraScan PRO, UltraScan VIS Tagged metal surface, metals, reflectance specular included, RSIN, specular included Leave a comment

Diffuse Sphere Instruments

Posted on May 23, 2014 by Ken Phillips

HunterLab manufactures, directional 45/0 instruments and also diffuse sphere instruments, with diffuse/8˚ geometry. The UltraScan PRO, UltraScan VIS and Vista are all bench top sphere instruments available from HunterLab. 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 […]

Posted in UltraScan PRO, UltraScan VIS Tagged d/8, geometry, sphere Leave a comment

When do I use Specular Exclusion in Color Measurement?

Posted on May 23, 2014 by Ken Phillips

FAQ: ASTM D6290 recommends that I measure my plastic pellets for yellowness using the specular exclude mode. What is this? 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 […]

Posted in Plastic, UltraScan PRO, UltraScan VIS Tagged clear window, glass correction, granules, oapque liquids, opaque, pellets, powder, reflectance specular excluded, reflectance specular included, RSEX, RSIN, specular exclusion, specular reflectance, translucent Leave a comment
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