Loose Powders

Pharmaceutical bulk and divided powders are commonly used in the development of various types of medicines, from capsules and gel caps to pills, through the process of compounding, and also available as soluble powders. Whether you are measuring codeine phosphate or hyoscine hydrobromide, HunterLab has been providing color measurement solutions for the pharmaceutical industry for over 60 years, and many of the world's leading pharmaceutical manufacturers rely on HunterLab solutions to ensure quality and consistency of the raw materials and consumer products used in their products throughout their supply chain.

Test Color of Pharmaceutical Loose Powder

Loose pharmaceutical powders are mixtures of finely divided drugs in dry form that are eventually made into capsules, caplets, creams and other medicinal forms. These powders can be measured in their loose form prior to final processing to ensure lot-to-lot and batch-to-batch color consistency.


Test Color of Pharmaceutical Loose Powder

Many of HunterLab's spectrophotometers are versatile enough to accommodate most applications of color measurement. However, based on 60+ years of experience and a thorough understanding of our customers' needs and product use, these particular instruments are most suited for this industries application.

ColorFlex EZ (Directional 45°/0° Geometry, Reflectance, 400-700 nm)

40% of our customers prefer this instrument because of its compact design and integrated display, so does not require a PC and external software.

Test Color with ColorFlex EZ

LabScan XE (Directional 0°/45° Geometry, Reflectance, 400-700 nm)

10% of HunterLab customers select this instrument for its large 44 mm (1.75 inch) measuring port, and for its level of sophistication, simplicity and versatility.

Measure Color with LabScan XE

If you are unsure which instrument type is right for your samples, please call or email HunterLab technical support and we will be happy to assist you in making the proper instrument selection.

AN 1001 ALPHA

Measuring the Water Whiteness of Liquids Using the APHA Index

Measuring the Water Whiteness of Liquids Using the APHA Index.

AN 1002

CIE Standard Observers and calculation of CIE X, Y, Z color values

CIE Standard Observers and calculation of CIE X, Y, Z color values.

AN 1003

Color Measurement on Very Small Samples

Color Measurement on Very Small Samples

AN 1005

Measuring Color using Hunter L, a, b vs CIE 1976 L*a*b*

Measuring Color using Hunter L, a, b vs CIE 1976 L*a*b*.

AN 1013

Averaging in Color Measurement

Averaging in Color Measurement.

AN 1018

Using Hitch Standardization on a Series of Color Measuring Instruments

Using Hitch Standardization on a Series of Color Measuring Instruments.

AN 1031 Identification of Measurement Parameters

Identification of Measurement Parameters

Identification of Measurement Parameters.

AN 1033 Color versus Appearance

Understanding the difference between measuring color and measuring appearance

Understanding the difference between measuring color and measuring appearance.

HunterLab Solution Matrix

Geometry, Measurement Modes, and Indices

Geometry, Measurement Modes, and Indices.

MM 5062 Measuring Powder in Very Small Quantities with UltraScan PRO

Measurement method for powder in very small quantities using the UltraScan PRO

Measurement method for powder in very small quantities using the UltraScan PRO.