USP and EP Visual Color Standards

    

The USP and EP Color Standards are visual color standards, intended to improve color communication between sites by defining a sample color as being close to physical liquid standard ("near USP F"; "near EP Y2") rather than using words ("light yellow"). Read Vol. 20, No. 8 (PDF)

 

Making Non-Solid Samples Solid for Color Measurement

Describes how to make liquids, semi-solids, powders, pellets, large particulates and textile fibers look solid to your instrument. Read Vol. 19, No. 12 (PDF)

EasyMatchQC and Operating Systems

When EasyMatch QC was initially released in 2004, Windows XP was Microsoft's most modern operating system, Windows 2000 was also widely used, and Windows 98 was still supported by Microsoft. Since then, Microsoft has released the various editions of Windows Vista and support for Windows 98 has been discontinued. What do these changes in operating systems mean for users of EasyMatch QC software? Which versions of Windows may be used with which versions of EasyMatch QC? Read Vol. 20 No. 4 (PDF)

What is Appearance?

Details the components of overall appearance: chromatic attributes and geometric attributes. Read Vol. 12 No. 2 (PDF)

Hunter L, a, b Versus CIE 1976 L*a*b*

Details the differences between the Hunter L, a, b and CIELAB scales. Read Vol. 13 No. 2 (PDF)

Handling Options for Very Small Samples

Details HunterLab's color measurement options designed for measuring very small samples or very small quantities of sample.
Read Vol. 16 No. 2 (PDF)

Tint Indices

Describes ASTM E313 Tint, CIE Tint, and Ganz Tint and how they may be measured using HunterLab products.
Read Vol. 19 No. 2 (PDF)

Shade Numbering, Sorting, and Tapering

Describes how shade numbering, shade sorting, and shade tapering operate and the HunterLab products in which they are available. Read Vol. 7 No. 2.

Opacity

Details the opacity scale and how HunterLab instruments can be used to measure it.
Read Vol. 9 No. 3.

Color Measurement of Plastic Pellets w/HunterLab Instruments

Details the various methods of measuring plastic pellets using HunterLab instruments.
Read Vol. 11 No. 2.