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How do I measure the color of semi-solid materials?

How do I measure “clear and colorless” Surfactants?

APHA/Pt-Co/Hazen vs Gardner color scales: What’s the difference?

Where does one find the EP (European Pharmacopoeia) Liquid Color Matching Standards?

What Fuse Protection is in place with HunterLab Instruments?

Can Power Supplies in HunterLab Instruments be used everywhere?

What Path Length Cell should I use for APHA/Pt-Co/Hazen Color Measurement?

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Blogs

How do I measure the color of semi-solid materials?

Posted on November 29, 2012 by Ken Phillips

One thing to keep in mind when measuring creams, gels, pastes, and other semi-solid materials is to maintain a consistent sample thickness. One option is to “sandwich” a fixed quanity of your semi-solid material in a suitable clear-bottomed container, so that it can be placed at the port for measurement. Ken PhillipsMr. Philips has spent […]

Posted in Benchtop, ColorFlex EZ, Food, Industries, MiniScan EZ, Portable, UltraScan PRO, UltraScan VIS Tagged creams, tissue culture dish, yogurt Leave a comment

How do I measure “clear and colorless” Surfactants?

Posted on November 26, 2012 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 […]

Posted in Chemical, Color and Appearance Theory, Pharmaceuticals, UltraScan PRO, UltraScan VIS Tagged APHA, cell path length, haze, Pt-Co, total transmission, transmission cell, transmission haze, vsual standards, Y Total Leave a comment

APHA/Pt-Co/Hazen vs Gardner color scales: What’s the difference?

Posted on October 22, 2012 by Ken Phillips

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. 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 […]

Posted in Chemical, Color and Appearance Theory, Pharmaceuticals, Plastic, UltraScan PRO, UltraScan VIS Tagged APHA, Gardner, Hazen, Platinum Cobalt, Pt-Co, PtCo 3 Comments

Where does one find the EP (European Pharmacopoeia) Liquid Color Matching Standards?

Posted on October 17, 2012 by Ken Phillips

 EP – European Pharmacopoeia Color is a visual liquid color scale used primarily in the pharmaceutical industry. It consists of 3 primary color standard solutions (yellow, red and blue) mixed with hydrochloric acid to make 5 standard color solutions – B (brown), BY (brownish-yellow), Y (yellow), GY (greenish-yellow) and R (red). Ken PhillipsMr. Philips has […]

Posted in Color and Appearance Theory, EasyMatch QC, EasyMatch QC-ER, Pharmaceuticals, UltraScan PRO, UltraScan VIS Tagged EP, European Pharmacopoeia Color Standards, pharma Leave a comment

What Fuse Protection is in place with HunterLab Instruments?

Posted on September 19, 2012 by Ken Phillips

All HunterLab instruments have fuses built into the main circuitry to protect the instrument against unusual and unexpected changes in voltage that could damage the electrical components. 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 […]

Posted in Accessories and Parts, Benchtop, ColorFlex EZ, ColorFlex EZ Citrus, ColorFlex EZ Tomato, ColorTrend HT Meter, D25Lt Colorimeter, Instruments and Software, MiniScan EZ, On-Line, Portable, SpectraProbe S/8, SpectraProbe XE, SpectraTrend HT, UltraScan PRO, UltraScan VIS Tagged fuse, fuses, power, sensor requirements, Universal power supply, UPS, voltage Leave a comment

Can Power Supplies in HunterLab Instruments be used everywhere?

Posted on September 19, 2012 by Ken Phillips

FAQ: “We need to take our Agera instrument to Germany for some plant trial testing.  Our machine is a US spectrophotometer 110v unit and, obviously, the power supply in Germany is 220v. The label on the back of the instrument says ‘110v-220v’, which sounds a little ambiguous to me.  Do we need a voltage transformer […]

Posted in Accessories and Parts, Benchtop, ColorFlex EZ, ColorFlex EZ Citrus, ColorFlex EZ Tomato, ColorTrend HT Meter, D25Lt Colorimeter, Instruments and Software, On-Line, Portable, SpectraProbe S/8, SpectraProbe XE, SpectraTrend HT, UltraScan PRO, UltraScan VIS Tagged power, sensor requirements, Universal power supply, UPS, voltage Leave a comment

What Path Length Cell should I use for APHA/Pt-Co/Hazen Color Measurement?

Posted on June 18, 2012 by Ken Phillips

FAQ: ” We are currently using a 10 mm path length and read in the 0 – 50 region for APHA/Pt-Co/Hazen Color, usually in the area of 10. Would you recommend a 10 mm path length with our equipment for this application?” Ken PhillipsMr. Philips has spent the last 30 years in product development and management, […]

Posted in Chemical, Color and Appearance Theory, EasyMatch QC, EasyMatch QC-ER, Pharmaceuticals, Plastic, UltraScan PRO, UltraScan VIS Tagged APHA, cell path length, Hazen, Platinum Cobalt, Pt-Co, PtCo, transmission cell Leave a comment
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