The colours of pharmaceutical powders, such as sorbitol, microcrystalline cellulose or dibasic calcium phosphate anhydrous, are often measured as an incoming QC check to ensure lot-to-lot consistency. The preferred method for measuring powders is to use a Directional  45°/0° reflectance geometry for its ability to measure colour the way the human eye sees colour. This is the geometry that is recommended by HunterLab for colour measurement of opaque materials that will be viewed by the customer.

- Loose Powders

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 colour consistency.



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HunterLab ColorFlex EZ

HunterLab ColorFlex EZ
HUNTERCOLORFLEXEZ

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

HunterLab LabScan XE
HUNTERLABSCANXE

Directional 0°/45° Geometry, Reflectance, 400-700 nm
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